#55423B
Closest named color: Purple Brown (#673A3F). oklch(39.7% 0.029 41.2), rgb(85, 66, 59).
Aa
White text reads best on this color (9.42:1).
About this color
#55423B is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Purple Brown (#673A3F), ΔE 0.041 away. White text reads best on it, at 9.42:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #55423B |
| RGB | rgb(85, 66, 59) |
| HSL | hsl(16, 18%, 28%) |
| OKLCH | oklch(39.7% 0.029 41.2) |
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 #55423B | 9.42:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #55423B | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #55423B text on white | 9.42:1 | AAA | Lc 91.8 | Preferred for body text |
| #55423B text on black | 2.22:1 | Fails | Lc -10.6 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E1D7D3
oklch(88.6% 0.012 43.3)
-
Step 300
300
#CEBCB6
oklch(80.9% 0.022 39.4)
-
Step 400
400
#B59A90
oklch(70.8% 0.035 41.4)
-
Step 500
500
#A28175
oklch(63.1% 0.045 40.9)
-
Step 600
600
#8D6A5E
oklch(55.6% 0.049 39.7)
-
Step 700
700
#77584D
oklch(49% 0.045 40.4)
-
Step 800
800
#61483F
oklch(42.6% 0.037 40.7)
-
Step 900
900 (this color)
#55423B
oklch(39.7% 0.029 41.2)
-
Step 950
950
#2F2420
oklch(27.2% 0.018 40.9)
#55423B 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) | #47443B | 0.025 |
| Deuteranopia (no green cones) | #4B483B | 0.025 |
| Tritanopia (no blue cones) | #5A3F40 | 0.017 |
| Achromatopsia (no color) | #464646 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55423B
#55423B
oklch(39.7% 0.029 41.2)
- #364B52
#364B52
oklch(39.8% 0.029 220.4)
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 #55423B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.044
- Mud Brown #60460F ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.065
- Onyx #343A40 ΔE 0.066
- Brownish Purple #76424E ΔE 0.071
- Charcoal #264653 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.080
Use #55423B 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.