#43451B
Closest named color: Dark Olive (#373E02). oklch(37.8% 0.062 111.5), rgb(67, 69, 27).
Aa
White text reads best on this color (9.97:1).
About this color
#43451B is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.062 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.037 away. White text reads best on it, at 9.97:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #43451B |
| RGB | rgb(67, 69, 27) |
| HSL | hsl(63, 44%, 19%) |
| OKLCH | oklch(37.8% 0.062 111.5) |
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 #43451B | 9.97:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #43451B | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #43451B text on white | 9.97:1 | AAA | Lc 93.1 | Preferred for body text |
| #43451B text on black | 2.10:1 | Fails | Lc -9.4 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#D9DBC8
oklch(88.5% 0.026 111.8)
-
Step 300
300
#C1C4A2
oklch(80.9% 0.046 111.5)
-
Step 400
400
#A2A56F
oklch(70.6% 0.074 110.8)
-
Step 500
500
#8B8F48
oklch(63.1% 0.094 111.7)
-
Step 600
600
#767927
oklch(55.7% 0.104 111.3)
-
Step 700
700
#63661A
oklch(49.2% 0.096 111.7)
-
Step 800
800
#515318
oklch(42.8% 0.08 111.2)
-
Step 900
900 (this color)
#43451B
oklch(37.8% 0.062 111.5)
-
Step 950
950
#272811
oklch(26.9% 0.038 110.9)
#43451B 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) | #4A4217 | 0.014 |
| Deuteranopia (no green cones) | #4A431D | 0.014 |
| Tritanopia (no blue cones) | #48413C | 0.055 |
| Achromatopsia (no color) | #424242 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43451B
#43451B
oklch(37.8% 0.062 111.5)
- #423C60
#423C60
oklch(37.9% 0.061 290.8)
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 #43451B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.037
- Green Brown #544E03 ΔE 0.047
- Mud Brown #60460F ΔE 0.052
- Navy Green #35530A ΔE 0.055
- Pine Green #0A481E ΔE 0.063
- Evergreen #05472A ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.064
- Forrest Green #154406 ΔE 0.067
Use #43451B 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.