#7A2403
Closest named color: Chestnut (#742802). oklch(39.2% 0.126 38), rgb(122, 36, 3).
Aa
White text reads best on this color (10.09:1).
About this color
#7A2403 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.126 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.014 away. White text reads best on it, at 10.09:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.08:1 |
| White text | 10.09:1 |
Values
| HEX | #7A2403 |
| RGB | rgb(122, 36, 3) |
| HSL | hsl(17, 95%, 25%) |
| OKLCH | oklch(39.2% 0.126 38) |
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 #7A2403 | 10.09:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #7A2403 | 2.08:1 | Fails | Lc 11.6 | Not readable |
| #7A2403 text on white | 10.09:1 | AAA | Lc 92.4 | Preferred for body text |
| #7A2403 text on black | 2.08:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F9CEC1
oklch(88.5% 0.052 37.5)
-
Step 300
300
#F6AC95
oklch(81% 0.093 38)
-
Step 400
400
#EE7B57
oklch(70.7% 0.151 38.1)
-
Step 500
500
#E5521D
oklch(63.2% 0.192 38)
-
Step 600
600
#C63D00
oklch(55.5% 0.182 37.9)
-
Step 700
700
#A83200
oklch(49.1% 0.162 37.8)
-
Step 800
800
#8B2800
oklch(42.8% 0.14 37.9)
-
Step 900
900 (this color)
#7A2403
oklch(39.2% 0.126 38)
-
Step 950
950
#451405
oklch(27% 0.079 37.5)
#7A2403 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) | #3E3600 | 0.127 |
| Deuteranopia (no green cones) | #534900 | 0.115 |
| Tritanopia (no blue cones) | #87041F | 0.053 |
| Achromatopsia (no color) | #424242 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A2403
#7A2403
oklch(39.2% 0.126 38)
- #004E5E
#004E5E
oklch(39.1% 0.07 217.6)
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 #7A2403, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.014
- Maroon #800000 ΔE 0.039
- Brick Red #8F1402 ΔE 0.045
- Dark Red #8B0000 ΔE 0.045
- Red Brown #8B2E16 ΔE 0.045
- Blood #770001 ΔE 0.046
- Reddy Brown #6E1005 ΔE 0.046
- Rust Brown #8B3103 ΔE 0.048
Use #7A2403 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.