#C04F37
Closest named color: Brick Orange (#C14A09). oklch(57.1% 0.151 33.6), rgb(192, 79, 55).
Aa
White text reads best on this color (4.75:1).
About this color
#C04F37 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.151 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.029 away. White text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #C04F37 |
| RGB | rgb(192, 79, 55) |
| HSL | hsl(11, 55%, 48%) |
| OKLCH | oklch(57.1% 0.151 33.6) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C04F37 | 4.75:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #C04F37 | 4.41:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #C04F37 text on white | 4.75:1 | AA | Lc 72.3 | Content text, not long reading |
| #C04F37 text on black | 4.41:1 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E9B1A4
oklch(80.8% 0.068 33.4)
-
Step 400
400
#DB8773
oklch(70.7% 0.108 34.2)
-
Step 500
500
#CF664F
oklch(63.1% 0.138 33.7)
-
Step 600
600 (this color)
#C04F37
oklch(57.1% 0.151 33.6)
-
Step 700
700
#A13A25
oklch(49.1% 0.141 33.3)
-
Step 800
800
#823120
oklch(42.6% 0.116 33.5)
-
Step 900
900
#692C1F
oklch(37.6% 0.091 33.5)
-
Step 950
950
#3E1B13
oklch(27.1% 0.057 34.1)
#C04F37 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) | #6E6334 | 0.152 |
| Deuteranopia (no green cones) | #8A7C34 | 0.140 |
| Tritanopia (no blue cones) | #D3364A | 0.061 |
| Achromatopsia (no color) | #737373 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C04F37
#C04F37
oklch(57.1% 0.151 33.6)
- #00869B
#00869B
oklch(57% 0.1 213.7)
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 #C04F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.029
- Burnt Orange #C04E01 ΔE 0.033
- Rust Orange #C45508 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.039
- Dusty Red #B9484E ΔE 0.039
- Dark Coral #CF524E ΔE 0.040
- Burnt Siena #B75203 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.042
Use #C04F37 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.