#64231E
Closest named color: Reddy Brown (#6E1005). oklch(35.3% 0.095 27.4), rgb(100, 35, 30).
Aa
White text reads best on this color (11.66:1).
About this color
#64231E is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.095 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.035 away. White text reads best on it, at 11.66:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.80:1 |
| White text | 11.66:1 |
Values
| HEX | #64231E |
| RGB | rgb(100, 35, 30) |
| HSL | hsl(4, 54%, 25%) |
| OKLCH | oklch(35.3% 0.095 27.4) |
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 #64231E | 11.66:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #64231E | 1.80:1 | Fails | Lc 7.7 | Not readable |
| #64231E text on white | 11.66:1 | AAA | Lc 96.1 | Preferred for body text |
| #64231E text on black | 1.80:1 | Fails | Lc 0.0 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F2D0CB
oklch(88.5% 0.039 27.8)
-
Step 300
300
#EBB0A8
oklch(81% 0.07 27.5)
-
Step 400
400
#DF8479
oklch(70.8% 0.114 27.6)
-
Step 500
500
#D36157
oklch(63% 0.146 27.1)
-
Step 600
600
#BF443C
oklch(55.6% 0.16 27.2)
-
Step 700
700
#A4352E
oklch(49.1% 0.148 27.5)
-
Step 800
800
#852D27
oklch(42.7% 0.122 27.3)
-
Step 900
900 (this color)
#64231E
oklch(35.3% 0.095 27.4)
-
Step 950
950
#3F1916
oklch(27% 0.06 26.4)
#64231E 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) | #34301D | 0.101 |
| Deuteranopia (no green cones) | #443E1C | 0.094 |
| Tritanopia (no blue cones) | #6E1522 | 0.032 |
| Achromatopsia (no color) | #383838 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64231E
#64231E
oklch(35.3% 0.095 27.4)
- #00444C
#00444C
oklch(35.4% 0.061 208)
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 #64231E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.035
- Chestnut #742802 ΔE 0.047
- Claret #680018 ΔE 0.047
- Blood #770001 ΔE 0.052
- Wine Red #7B0323 ΔE 0.059
- Burgundy #610023 ΔE 0.060
- Purple Brown #673A3F ΔE 0.064
- Maroon #800000 ΔE 0.064
Use #64231E 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.