#70310F
Closest named color: Chestnut (#742802). oklch(39.4% 0.1 45.3), rgb(112, 49, 15).
Aa
White text reads best on this color (9.83:1).
About this color
#70310F is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.100 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.019 away. White text reads best on it, at 9.83:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #70310F |
| RGB | rgb(112, 49, 15) |
| HSL | hsl(21, 76%, 25%) |
| OKLCH | oklch(39.4% 0.1 45.3) |
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 #70310F | 9.83:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #70310F | 2.13:1 | Fails | Lc 11.7 | Not readable |
| #70310F text on white | 9.83:1 | AAA | Lc 92.3 | Preferred for body text |
| #70310F text on black | 2.13:1 | Fails | Lc -10.1 | 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
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F2D1C3
oklch(88.5% 0.042 44.3)
-
Step 300
300
#EAB299
oklch(80.9% 0.074 45.2)
-
Step 400
400
#DE875F
oklch(70.7% 0.12 45)
-
Step 500
500
#D2662E
oklch(63.1% 0.153 45.3)
-
Step 600
600
#BB4D00
oklch(55.7% 0.158 45.4)
-
Step 700
700
#9E4000
oklch(49.2% 0.14 45.4)
-
Step 800
800
#823300
oklch(42.6% 0.121 45.2)
-
Step 900
900 (this color)
#70310F
oklch(39.4% 0.1 45.3)
-
Step 950
950
#3F1B08
oklch(27.1% 0.063 46)
#70310F 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) | #433B0A | 0.092 |
| Deuteranopia (no green cones) | #52490D | 0.085 |
| Tritanopia (no blue cones) | #7C232A | 0.053 |
| Achromatopsia (no color) | #434343 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #70310F
#70310F
oklch(39.4% 0.1 45.3)
- #004E64
#004E64
oklch(39.4% 0.075 224.8)
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 #70310F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.019
- Rust Brown #8B3103 ΔE 0.056
- Red Brown #8B2E16 ΔE 0.057
- Purple Brown #673A3F ΔE 0.058
- Reddy Brown #6E1005 ΔE 0.061
- Mud Brown #60460F ΔE 0.062
- Maroon #800000 ΔE 0.067
- Blood #770001 ΔE 0.069
Use #70310F 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.