#642228
Closest named color: Reddy Brown (#6E1005). oklch(35.4% 0.095 18.1), rgb(100, 34, 40).
Aa
White text reads best on this color (11.65:1).
About this color
#642228 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.095 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.042 away. White text reads best on it, at 11.65:1.
| 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 | 11.65:1 |
Values
| HEX | #642228 |
| RGB | rgb(100, 34, 40) |
| HSL | hsl(355, 49%, 26%) |
| OKLCH | oklch(35.4% 0.095 18.1) |
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 #642228 | 11.65:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #642228 | 1.80:1 | Fails | Lc 7.7 | Not readable |
| #642228 text on white | 11.65:1 | AAA | Lc 96.1 | Preferred for body text |
| #642228 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E5
oklch(93.7% 0.021 17.5)
-
Step 200
200
#F2CFCF
oklch(88.4% 0.039 17.9)
-
Step 300
300
#EBAFAF
oklch(80.9% 0.07 18.7)
-
Step 400
400
#DF8285
oklch(70.7% 0.115 18.3)
-
Step 500
500
#D35F67
oklch(63.1% 0.147 18.1)
-
Step 600
600
#BE424F
oklch(55.6% 0.159 17.9)
-
Step 700
700
#A43340
oklch(49.2% 0.148 18)
-
Step 800
800
#852B35
oklch(42.7% 0.123 17.6)
-
Step 900
900 (this color)
#642228
oklch(35.4% 0.095 18.1)
-
Step 950
950
#3F181B
oklch(26.9% 0.061 17.4)
#642228 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) | #323028 | 0.104 |
| Deuteranopia (no green cones) | #433E26 | 0.097 |
| Tritanopia (no blue cones) | #6E1625 | 0.026 |
| Achromatopsia (no color) | #383838 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642228
#642228
oklch(35.4% 0.095 18.1)
- #004547
#004547
oklch(35.4% 0.06 198.1)
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 #642228, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.042
- Claret #680018 ΔE 0.045
- Burgundy #610023 ΔE 0.052
- Wine Red #7B0323 ΔE 0.054
- Blood #770001 ΔE 0.056
- Chestnut #742802 ΔE 0.057
- Bordeaux #7B002C ΔE 0.058
- Purple Brown #673A3F ΔE 0.060
Use #642228 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.