#7B3021
Closest named color: Chestnut (#742802). oklch(41.3% 0.108 33.1), rgb(123, 48, 33).
Aa
White text reads best on this color (9.18:1).
About this color
#7B3021 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.108 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.032 away. White text reads best on it, at 9.18:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #7B3021 |
| RGB | rgb(123, 48, 33) |
| HSL | hsl(10, 58%, 31%) |
| OKLCH | oklch(41.3% 0.108 33.1) |
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 #7B3021 | 9.18:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #7B3021 | 2.28:1 | Fails | Lc 13.5 | Not readable |
| #7B3021 text on white | 9.18:1 | AAA | Lc 90.5 | Preferred for body text |
| #7B3021 text on black | 2.28:1 | Fails | Lc -11.8 | 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 800.
-
Step 50
50
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD1CA
oklch(88.4% 0.035 33.3)
-
Step 300
300
#E6B2A7
oklch(80.8% 0.063 32.1)
-
Step 400
400
#D88977
oklch(70.7% 0.101 33.5)
-
Step 500
500
#CB6954
oklch(63.1% 0.129 33.3)
-
Step 600
600
#B74E39
oklch(55.6% 0.141 33)
-
Step 700
700
#9D3E2B
oklch(49.1% 0.131 33.1)
-
Step 800
800 (this color)
#7B3021
oklch(41.3% 0.108 33.1)
-
Step 900
900
#672E23
oklch(37.7% 0.085 32.4)
-
Step 950
950
#3D1C15
oklch(27.2% 0.054 33.1)
#7B3021 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) | #443E1F | 0.111 |
| Deuteranopia (no green cones) | #574E1F | 0.101 |
| Tritanopia (no blue cones) | #87202D | 0.042 |
| Achromatopsia (no color) | #484848 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B3021
#7B3021
oklch(41.3% 0.108 33.1)
- #005562
#005562
oklch(41.3% 0.072 212.4)
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 #7B3021, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.032
- Red Brown #8B2E16 ΔE 0.033
- Rust Brown #8B3103 ΔE 0.039
- Brown Red #922B05 ΔE 0.049
- Brick Red #8F1402 ΔE 0.051
- Purple Brown #673A3F ΔE 0.053
- Dark Red #8B0000 ΔE 0.058
- Maroon #800000 ΔE 0.059
Use #7B3021 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.