#490001

Closest named color: Mahogany (#4A0100). oklch(25.5% 0.104 28.4), rgb(73, 0, 1).

Aa

White text reads best on this color (16.35:1).

About this color

#490001 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.104 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.004 away. White text reads best on it, at 16.35:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.104)
Temperaturewarm
Nearest nameMahogany (#4A0100)
Black text1.28:1
White text16.35:1

Values

HEX#490001
RGBrgb(73, 0, 1)
HSLhsl(359, 100%, 14%)
OKLCHoklch(25.5% 0.104 28.4)

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 #490001 16.35:1 AAA Lc -104.7 Preferred for body text
Black text on #490001 1.28:1 Fails Lc 0.0 Not readable
#490001 text on white 16.35:1 AAA Lc 102.0 Preferred for body text
#490001 text on black 1.28:1 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FFE2DE

    oklch(93.5% 0.033 27.1)

  3. Step 200

    200

    #FFCBC3

    oklch(88.6% 0.06 28.4)

  4. Step 300

    300

    #FFA599

    oklch(80.8% 0.109 28)

  5. Step 400

    400

    #FF6A5A

    oklch(70.7% 0.185 28.7)

  6. Step 500

    500

    #FE1417

    oklch(63.1% 0.252 28.4)

  7. Step 600

    600

    #D9000A

    oklch(55.6% 0.228 28.4)

  8. Step 700

    700

    #B80007

    oklch(49.2% 0.201 28.4)

  9. Step 800

    800

    #980005

    oklch(42.7% 0.175 28.4)

  10. Step 900

    900

    #800003

    oklch(37.7% 0.154 28.5)

  11. Step 950

    950 (this color)

    #490001

    oklch(25.5% 0.104 28.4)

Export this scale for Tailwind in the Tailwind colors tool

#490001 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)#1A15000.114
Deuteranopia (no green cones)#2B25000.102
Tritanopia (no blue cones)#5200010.023
Achromatopsia (no color)#2020200.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #490001

    #490001

    oklch(25.5% 0.104 28.4)

  • #00282E

    #00282E

    oklch(25.4% 0.044 209.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #490001

    #490001

    oklch(25.5% 0.104 28.4)

  • #460022

    #460022

    oklch(25.6% 0.104 358.8)

  • #381A00

    #381A00

    oklch(25.6% 0.061 58.2)

Open the analogous palette in the generator

Split complementary

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

  • #490001

    #490001

    oklch(25.5% 0.104 28.4)

  • #002A23

    #002A23

    oklch(25.5% 0.047 178.5)

  • #00263B

    #00263B

    oklch(25.5% 0.057 238.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #490001

    #490001

    oklch(25.5% 0.104 28.4)

  • #002C0C

    #002C0C

    oklch(25.6% 0.074 148.2)

  • #0F1B54

    #0F1B54

    oklch(25.5% 0.104 268.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #490001

    #490001

    oklch(25.5% 0.104 28.4)

  • #202600

    #202600

    oklch(25.4% 0.059 118.3)

  • #00282E

    #00282E

    oklch(25.4% 0.044 209.8)

  • #2B114D

    #2B114D

    oklch(25.6% 0.104 298.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #490001, closest first.

Similar named colors

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

Use #490001 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.