#642129
Closest named color: Reddy Brown (#6E1005). oklch(35.3% 0.097 16.5), rgb(100, 33, 41).
Aa
White text reads best on this color (11.72:1).
About this color
#642129 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.097 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.043 away. White text reads best on it, at 11.72:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.79:1 |
| White text | 11.72:1 |
Values
| HEX | #642129 |
| RGB | rgb(100, 33, 41) |
| HSL | hsl(353, 50%, 26%) |
| OKLCH | oklch(35.3% 0.097 16.5) |
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 #642129 | 11.72:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #642129 | 1.79:1 | Fails | Lc 7.6 | Not readable |
| #642129 text on white | 11.72:1 | AAA | Lc 96.2 | Preferred for body text |
| #642129 text on black | 1.79:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E5
oklch(93.7% 0.021 17.5)
-
Step 200
200
#F3CFD0
oklch(88.5% 0.041 16)
-
Step 300
300
#ECAEB0
oklch(80.9% 0.073 16.7)
-
Step 400
400
#DF8187
oklch(70.6% 0.116 16.4)
-
Step 500
500
#D45E69
oklch(63.1% 0.149 16.7)
-
Step 600
600
#BF4151
oklch(55.7% 0.161 16.7)
-
Step 700
700
#A43142
oklch(49% 0.15 16.3)
-
Step 800
800
#852A36
oklch(42.6% 0.124 16.5)
-
Step 900
900 (this color)
#642129
oklch(35.3% 0.097 16.5)
-
Step 950
950
#3F181C
oklch(26.9% 0.061 15.8)
#642129 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) | #312F29 | 0.106 |
| Deuteranopia (no green cones) | #423D27 | 0.097 |
| Tritanopia (no blue cones) | #6E1524 | 0.026 |
| Achromatopsia (no color) | #383838 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642129
#642129
oklch(35.3% 0.097 16.5)
- #004546
#004546
oklch(35.4% 0.06 196.4)
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 #642129, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.043
- Claret #680018 ΔE 0.043
- Burgundy #610023 ΔE 0.050
- Wine Red #7B0323 ΔE 0.053
- Blood #770001 ΔE 0.056
- Bordeaux #7B002C ΔE 0.057
- Merlot #730039 ΔE 0.059
- Chestnut #742802 ΔE 0.060
Use #642129 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.