#55400A
Closest named color: Mud Brown (#60460F). oklch(38.4% 0.073 85.5), rgb(85, 64, 10).
Aa
White text reads best on this color (9.88:1).
About this color
#55400A is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.073 and its hue 85°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.029 away. White text reads best on it, at 9.88:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.12:1 |
| White text | 9.88:1 |
Values
| HEX | #55400A |
| RGB | rgb(85, 64, 10) |
| HSL | hsl(43, 79%, 19%) |
| OKLCH | oklch(38.4% 0.073 85.5) |
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 #55400A | 9.88:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #55400A | 2.12:1 | Fails | Lc 11.1 | Not readable |
| #55400A text on white | 9.88:1 | AAA | Lc 92.8 | Preferred for body text |
| #55400A text on black | 2.12:1 | Fails | Lc -9.7 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DE
oklch(93.6% 0.016 82.8)
-
Step 200
200
#E2D8C3
oklch(88.5% 0.03 85.6)
-
Step 300
300
#D1BF99
oklch(81% 0.055 85.6)
-
Step 400
400
#B99D5F
oklch(70.7% 0.087 85.9)
-
Step 500
500
#A8842C
oklch(63.2% 0.112 85.7)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5B00
oklch(49% 0.1 85.4)
-
Step 800
800
#644A00
oklch(42.5% 0.087 85.4)
-
Step 900
900 (this color)
#55400A
oklch(38.4% 0.073 85.5)
-
Step 950
950
#312408
oklch(26.9% 0.046 83.5)
#55400A 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) | #494001 | 0.024 |
| Deuteranopia (no green cones) | #4E450D | 0.018 |
| Tritanopia (no blue cones) | #5D3936 | 0.066 |
| Achromatopsia (no color) | #434343 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55400A
#55400A
oklch(38.4% 0.073 85.5)
- #31426A
#31426A
oklch(38.4% 0.072 265.7)
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 #55400A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.029
- Green Brown #544E03 ΔE 0.044
- Dark Olive #373E02 ΔE 0.056
- Olive Brown #645403 ΔE 0.068
- Navy Green #35530A ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.078
- Chestnut #742802 ΔE 0.081
- Purple Brown #673A3F ΔE 0.084
Use #55400A 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.