#C64C25
Closest named color: Brick Orange (#C14A09). oklch(57.5% 0.164 37.5), rgb(198, 76, 37).
Aa
White text reads best on this color (4.70:1).
About this color
#C64C25 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.164 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.018 away. White text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #C64C25 |
| RGB | rgb(198, 76, 37) |
| HSL | hsl(15, 69%, 46%) |
| OKLCH | oklch(57.5% 0.164 37.5) |
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 #C64C25 | 4.70:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #C64C25 | 4.46:1 | AA large text | Lc 32.3 | Non-text elements, placeholder text |
| #C64C25 text on white | 4.70:1 | AA | Lc 71.8 | Content text, not long reading |
| #C64C25 text on black | 4.46:1 | AA large text | Lc -29.9 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C6
oklch(88.4% 0.042 36.5)
-
Step 300
300
#ECB19F
oklch(81% 0.074 37.6)
-
Step 400
400
#DF856A
oklch(70.7% 0.118 37.5)
-
Step 500
500
#D46341
oklch(63.1% 0.151 37.4)
-
Step 600
600 (this color)
#C64C25
oklch(57.5% 0.164 37.5)
-
Step 700
700
#A5360F
oklch(49.1% 0.153 37.4)
-
Step 800
800
#862E11
oklch(42.7% 0.127 37.4)
-
Step 900
900
#6C2A16
oklch(37.7% 0.1 37.3)
-
Step 950
950
#3F1A0E
oklch(27% 0.062 38.5)
#C64C25 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) | #6F621F | 0.164 |
| Deuteranopia (no green cones) | #8D7E20 | 0.150 |
| Tritanopia (no blue cones) | #DA2D44 | 0.070 |
| Achromatopsia (no color) | #747474 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C64C25
#C64C25
oklch(57.5% 0.164 37.5)
- #0087A1
#0087A1
oklch(57.5% 0.103 217.7)
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 #C64C25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.018
- Burnt Orange #C04E01 ΔE 0.022
- Rust Orange #C45508 ΔE 0.027
- Burnt Siena #B75203 ΔE 0.037
- Rusty Orange #CD5909 ΔE 0.037
- Sinopia #BB3E03 ΔE 0.038
- Deep Orange #DC4D01 ΔE 0.045
- Dark Coral #CF524E ΔE 0.045
Use #C64C25 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.