#C74739
Closest named color: Dull Red (#BB3F3F). oklch(57.3% 0.166 29.4), rgb(199, 71, 57).
Aa
White text reads best on this color (4.78:1).
About this color
#C74739 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.166 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.032 away. White text reads best on it, at 4.78:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #C74739 |
| RGB | rgb(199, 71, 57) |
| HSL | hsl(6, 56%, 50%) |
| OKLCH | oklch(57.3% 0.166 29.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C74739 | 4.78:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #C74739 | 4.38:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #C74739 text on white | 4.78:1 | AA | Lc 72.3 | Content text, not long reading |
| #C74739 text on black | 4.38:1 | AA large text | Lc -29.4 | 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.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0C9
oklch(88.5% 0.041 31.2)
-
Step 300
300
#EDAFA5
oklch(80.9% 0.075 29.1)
-
Step 400
400
#E18274
oklch(70.6% 0.12 29.3)
-
Step 500
500
#D65F50
oklch(63.1% 0.153 29.3)
-
Step 600
600 (this color)
#C74739
oklch(57.3% 0.166 29.4)
-
Step 700
700
#A63227
oklch(49% 0.154 29.2)
-
Step 800
800
#872B21
oklch(42.7% 0.128 29.5)
-
Step 900
900
#6D2820
oklch(37.7% 0.1 29.2)
-
Step 950
950
#401913
oklch(27.1% 0.062 30.5)
#C74739 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6A6137 | 0.174 |
| Deuteranopia (no green cones) | #8A7D35 | 0.160 |
| Tritanopia (no blue cones) | #DB2745 | 0.057 |
| Achromatopsia (no color) | #727272 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C74739
#C74739
oklch(57.3% 0.166 29.4)
- #008898
#008898
oklch(57.4% 0.099 209.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C74739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.032
- Dark Coral #CF524E ΔE 0.033
- Faded Red #D3494E ΔE 0.034
- Dusty Red #B9484E ΔE 0.036
- Brick Orange #C14A09 ΔE 0.038
- Burnt Orange #C04E01 ΔE 0.044
- Sinopia #BB3E03 ΔE 0.045
- Pale Red #D9544D ΔE 0.049
Use #C74739 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.