#C6404D

Closest named color: Dusty Red (#B9484E). oklch(56.6% 0.169 19), rgb(198, 64, 77).

Aa

White text reads best on this color (4.95:1).

About this color

#C6404D is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.169 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.026 away. White text reads best on it, at 4.95:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.169)
Temperaturewarm
Nearest nameDusty Red (#B9484E)
Black text4.24:1
White text4.95:1

Values

HEX#C6404D
RGBrgb(198, 64, 77)
HSLhsl(354, 54%, 51%)
OKLCHoklch(56.6% 0.169 19)

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 #C6404D 4.95:1 AA Lc -78.7 Fine for body text
Black text on #C6404D 4.24:1 AA large text Lc 30.8 Non-text elements, placeholder text
#C6404D text on white 4.95:1 AA Lc 73.2 Content text, not long reading
#C6404D text on black 4.24:1 AA large text Lc -28.4 Dividers and decoration only

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 600.

  1. Step 50

    50

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F8E4E4

    oklch(93.5% 0.022 17.6)

  3. Step 200

    200

    #F4CFCE

    oklch(88.6% 0.042 19.8)

  4. Step 300

    300

    #EEADAD

    oklch(80.8% 0.077 18.9)

  5. Step 400

    400

    #E28082

    oklch(70.7% 0.121 19.3)

  6. Step 500

    500

    #D75B63

    oklch(63% 0.156 18.9)

  7. Step 600

    600 (this color)

    #C6404D

    oklch(56.6% 0.169 19)

  8. Step 700

    700

    #A72D3B

    oklch(49% 0.157 19)

  9. Step 800

    800

    #882731

    oklch(42.7% 0.131 19)

  10. Step 900

    900

    #6D262B

    oklch(37.6% 0.101 19.3)

  11. Step 950

    950

    #40171A

    oklch(26.9% 0.064 18)

Export this scale for Tailwind in the Tailwind colors tool

#C6404D 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)#635E4D0.185
Deuteranopia (no green cones)#857A490.170
Tritanopia (no blue cones)#D920460.045
Achromatopsia (no color)#7070700.171

Harmonies

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

Complementary

The opposite hue (180°).

  • #C6404D

    #C6404D

    oklch(56.6% 0.169 19)

  • #00878C

    #00878C

    oklch(56.6% 0.096 199.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C6404D

    #C6404D

    oklch(56.6% 0.169 19)

  • #BA4286

    #BA4286

    oklch(56.6% 0.17 348.9)

  • #BA5400

    #BA5400

    oklch(56.6% 0.152 48.9)

Open the analogous palette in the generator

Split complementary

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

  • #C6404D

    #C6404D

    oklch(56.6% 0.169 19)

  • #008B6B

    #008B6B

    oklch(56.6% 0.113 169.3)

  • #0082AA

    #0082AA

    oklch(56.7% 0.111 228.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C6404D

    #C6404D

    oklch(56.6% 0.169 19)

  • #378C14

    #378C14

    oklch(56.6% 0.169 139)

  • #3072D8

    #3072D8

    oklch(56.5% 0.17 259.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C6404D

    #C6404D

    oklch(56.6% 0.169 19)

  • #7D7B00

    #7D7B00

    oklch(56.6% 0.123 108.6)

  • #00878C

    #00878C

    oklch(56.6% 0.096 199.4)

  • #765FD2

    #765FD2

    oklch(56.6% 0.17 289)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C6404D, closest first.

Similar named colors

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

Use #C6404D 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.