#40400A
Closest named color: Dark Olive (#373E02). oklch(36% 0.072 109.5), rgb(64, 64, 10).
Aa
White text reads best on this color (10.73:1).
About this color
#40400A is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.072 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.019 away. White text reads best on it, at 10.73:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #40400A |
| RGB | rgb(64, 64, 10) |
| HSL | hsl(60, 73%, 15%) |
| OKLCH | oklch(36% 0.072 109.5) |
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 #40400A | 10.73:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #40400A | 1.95:1 | Fails | Lc 9.1 | Not readable |
| #40400A text on white | 10.73:1 | AAA | Lc 94.8 | Preferred for body text |
| #40400A text on black | 1.95:1 | Fails | Lc -7.8 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#DADBC5
oklch(88.5% 0.03 109.1)
-
Step 300
300
#C2C49C
oklch(80.8% 0.054 109.9)
-
Step 400
400
#A4A565
oklch(70.6% 0.085 109.2)
-
Step 500
500
#8E8F38
oklch(63.1% 0.11 109.8)
-
Step 600
600
#797806
oklch(55.5% 0.119 109.1)
-
Step 700
700
#656500
oklch(49.1% 0.107 109.8)
-
Step 800
800
#535302
oklch(42.8% 0.092 109.7)
-
Step 900
900 (this color)
#40400A
oklch(36% 0.072 109.5)
-
Step 950
950
#28280B
oklch(26.9% 0.046 109.1)
#40400A 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) | #463D02 | 0.013 |
| Deuteranopia (no green cones) | #473F0E | 0.014 |
| Tritanopia (no blue cones) | #453B36 | 0.065 |
| Achromatopsia (no color) | #3E3E3E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40400A
#40400A
oklch(36% 0.072 109.5)
- #3D3660
#3D3660
oklch(36.1% 0.071 290)
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 #40400A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.019
- Pakistan Green #283618 ΔE 0.056
- Forrest Green #154406 ΔE 0.057
- Green Brown #544E03 ΔE 0.059
- Pine Green #0A481E ΔE 0.059
- Navy Green #35530A ΔE 0.062
- Evergreen #05472A ΔE 0.063
- Mud Brown #60460F ΔE 0.063
Use #40400A 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.