#640A02
Closest named color: Reddy Brown (#6E1005). oklch(32.3% 0.123 30.8), rgb(100, 10, 2).
Aa
White text reads best on this color (13.23:1).
About this color
#640A02 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.123 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.026 away. White text reads best on it, at 13.23:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #640A02 |
| RGB | rgb(100, 10, 2) |
| HSL | hsl(5, 96%, 20%) |
| OKLCH | oklch(32.3% 0.123 30.8) |
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 #640A02 | 13.23:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #640A02 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #640A02 text on white | 13.23:1 | AAA | Lc 98.1 | Preferred for body text |
| #640A02 text on black | 1.58:1 | 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 950.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DD
oklch(93.5% 0.033 29.4)
-
Step 200
200
#FFCBC1
oklch(88.5% 0.061 30.9)
-
Step 300
300
#FFA696
oklch(80.9% 0.109 30.7)
-
Step 400
400
#FF6A54
oklch(70.7% 0.186 30.7)
-
Step 500
500
#FC2100
oklch(63.1% 0.247 30.8)
-
Step 600
600
#D51A00
oklch(55.6% 0.218 30.8)
-
Step 700
700
#B41400
oklch(49% 0.192 30.8)
-
Step 800
800
#950F00
oklch(42.7% 0.167 30.8)
-
Step 900
900
#7E0B00
oklch(37.8% 0.148 30.9)
-
Step 950
950 (this color)
#640A02
oklch(32.3% 0.123 30.8)
#640A02 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) | #292300 | 0.134 |
| Deuteranopia (no green cones) | #3F3700 | 0.119 |
| Tritanopia (no blue cones) | #6F000A | 0.026 |
| Achromatopsia (no color) | #303030 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #640A02
#640A02
oklch(32.3% 0.123 30.8)
- #003B44
#003B44
oklch(32.3% 0.056 211.4)
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 #640A02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.026
- Claret #680018 ΔE 0.028
- Blood #770001 ΔE 0.042
- Burgundy #610023 ΔE 0.046
- Maroon #800000 ΔE 0.062
- Wine Red #7B0323 ΔE 0.063
- Chestnut #742802 ΔE 0.068
- Mahogany #4A0100 ΔE 0.068
Use #640A02 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.