#540B38

Closest named color: Deep Violet (#490648). oklch(30.4% 0.113 348.6), rgb(84, 11, 56).

Aa

White text reads best on this color (14.17:1).

About this color

#540B38 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.113 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.044 away. White text reads best on it, at 14.17:1.

Hue familyReds
Lightnessdark (30%)
Chromamoderately saturated (0.113)
Temperaturewarm
Nearest nameDeep Violet (#490648)
Black text1.48:1
White text14.17:1

Values

HEX#540B38
RGBrgb(84, 11, 56)
HSLhsl(323, 77%, 19%)
OKLCHoklch(30.4% 0.113 348.6)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #540B38 14.17:1 AAA Lc -103.0 Preferred for body text
Black text on #540B38 1.48:1 Fails Lc 0.0 Not readable
#540B38 text on white 14.17:1 AAA Lc 99.9 Preferred for body text
#540B38 text on black 1.48:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FFF1F7

    oklch(97.1% 0.017 349.5)

  2. Step 100

    100

    #FFE0EE

    oklch(93.6% 0.039 348.8)

  3. Step 200

    200

    #FFC6E1

    oklch(88.5% 0.073 348.6)

  4. Step 300

    300

    #FF9CCF

    oklch(80.8% 0.132 348.3)

  5. Step 400

    400

    #FB5AB6

    oklch(70.7% 0.215 348.7)

  6. Step 500

    500

    #F000A3

    oklch(63.1% 0.265 348.7)

  7. Step 600

    600

    #CB0089

    oklch(55.7% 0.233 348.8)

  8. Step 700

    700

    #AB0074

    oklch(49% 0.206 348.3)

  9. Step 800

    800

    #8E005F

    oklch(42.8% 0.179 348.6)

  10. Step 900

    900

    #77004F

    oklch(37.6% 0.158 348.5)

  11. Step 950

    950 (this color)

    #540B38

    oklch(30.4% 0.113 348.6)

Export this scale for Tailwind in the Tailwind colors tool

#540B38 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#1823390.127
Deuteranopia (no green cones)#2D2F360.111
Tritanopia (no blue cones)#5B07200.046
Achromatopsia (no color)#2B2B2B0.114

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #540B38

    #540B38

    oklch(30.4% 0.113 348.6)

  • #003829

    #003829

    oklch(30.3% 0.061 168.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #540B38

    #540B38

    oklch(30.4% 0.113 348.6)

  • #451552

    #451552

    oklch(30.3% 0.113 318.3)

  • #5B0717

    #5B0717

    oklch(30.4% 0.114 18.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #540B38

    #540B38

    oklch(30.4% 0.113 348.6)

  • #103900

    #103900

    oklch(30.4% 0.095 138.7)

  • #003638

    #003638

    oklch(30.2% 0.051 198.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #540B38

    #540B38

    oklch(30.4% 0.113 348.6)

  • #323100

    #323100

    oklch(30.4% 0.066 108.5)

  • #003446

    #003446

    oklch(30.4% 0.059 228.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #540B38

    #540B38

    oklch(30.4% 0.113 348.6)

  • #402A00

    #402A00

    oklch(30.4% 0.063 78)

  • #003829

    #003829

    oklch(30.3% 0.061 168.8)

  • #012B66

    #012B66

    oklch(30.4% 0.113 258.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #540B38, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #540B38 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.