#4B431F
Closest named color: Mud Brown (#60460F). oklch(38.2% 0.054 97.1), rgb(75, 67, 31).
Aa
White text reads best on this color (9.89:1).
About this color
#4B431F is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.054 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.042 away. White text reads best on it, at 9.89:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #4B431F |
| RGB | rgb(75, 67, 31) |
| HSL | hsl(49, 42%, 21%) |
| OKLCH | oklch(38.2% 0.054 97.1) |
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 #4B431F | 9.89:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #4B431F | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #4B431F text on white | 9.89:1 | AAA | Lc 92.9 | Preferred for body text |
| #4B431F text on black | 2.12:1 | Fails | Lc -9.5 | 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
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDD9C9
oklch(88.4% 0.022 95.3)
-
Step 300
300
#C8C1A4
oklch(80.9% 0.04 95.9)
-
Step 400
400
#ACA172
oklch(70.7% 0.065 96.5)
-
Step 500
500
#988A4C
oklch(63.2% 0.084 96.9)
-
Step 600
600
#82732E
oklch(55.5% 0.091 97)
-
Step 700
700
#6E6121
oklch(49.2% 0.084 97.7)
-
Step 800
800
#5A4F1D
oklch(42.8% 0.07 96.9)
-
Step 900
900 (this color)
#4B431F
oklch(38.2% 0.054 97.1)
-
Step 950
950
#2B2712
oklch(27.1% 0.035 98.8)
#4B431F 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) | #49411C | 0.008 |
| Deuteranopia (no green cones) | #4B4421 | 0.003 |
| Tritanopia (no blue cones) | #513E3B | 0.051 |
| Achromatopsia (no color) | #434343 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B431F
#4B431F
oklch(38.2% 0.054 97.1)
- #3B4060
#3B4060
oklch(38.1% 0.055 276.7)
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 #4B431F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.042
- Green Brown #544E03 ΔE 0.048
- Dark Olive #373E02 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.059
- Navy Green #35530A ΔE 0.068
- Dark Slate Gray #2F4F4F ΔE 0.074
- Onyx #343A40 ΔE 0.076
- Olive Brown #645403 ΔE 0.076
Use #4B431F 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.