#42340B
Closest named color: Dark Olive (#373E02). oklch(33.2% 0.059 89.3), rgb(66, 52, 11).
Aa
White text reads best on this color (12.15:1).
About this color
#42340B is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.059 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.040 away. White text reads best on it, at 12.15:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.72:1 |
| White text | 12.15:1 |
Values
| HEX | #42340B |
| RGB | rgb(66, 52, 11) |
| HSL | hsl(45, 71%, 15%) |
| OKLCH | oklch(33.2% 0.059 89.3) |
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 #42340B | 12.15:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #42340B | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #42340B text on white | 12.15:1 | AAA | Lc 97.7 | Preferred for body text |
| #42340B text on black | 1.72:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEAE0
oklch(93.7% 0.014 93)
-
Step 200
200
#DFD9C7
oklch(88.5% 0.025 91.6)
-
Step 300
300
#CCC0A0
oklch(80.9% 0.045 89.9)
-
Step 400
400
#B29F6D
oklch(70.7% 0.071 89.6)
-
Step 500
500
#9F8744
oklch(63.1% 0.091 89.9)
-
Step 600
600
#8A7022
oklch(55.6% 0.099 89.8)
-
Step 700
700
#765D14
oklch(49.1% 0.092 88.4)
-
Step 800
800
#604C15
oklch(42.6% 0.076 88.1)
-
Step 900
900 (this color)
#42340B
oklch(33.2% 0.059 89.3)
-
Step 950
950
#2E250F
oklch(26.9% 0.038 87.5)
#42340B 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) | #3B3305 | 0.016 |
| Deuteranopia (no green cones) | #3E370D | 0.011 |
| Tritanopia (no blue cones) | #482F2C | 0.054 |
| Achromatopsia (no color) | #363636 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42340B
#42340B
oklch(33.2% 0.059 89.3)
- #293455
#293455
oklch(33.2% 0.06 269)
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 #42340B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.040
- Pakistan Green #283618 ΔE 0.044
- Onyx #343A40 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.074
- Chocolate Brown #411900 ΔE 0.078
- Forrest Green #154406 ΔE 0.080
- Hunter Green #0B4008 ΔE 0.080
- Dark Brown #341C02 ΔE 0.082
Use #42340B 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.