#40420A
Closest named color: Dark Olive (#373E02). oklch(36.6% 0.074 111.6), rgb(64, 66, 10).
Aa
White text reads best on this color (10.49:1).
About this color
#40420A is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.074 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.022 away. White text reads best on it, at 10.49:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #40420A |
| RGB | rgb(64, 66, 10) |
| HSL | hsl(62, 74%, 15%) |
| OKLCH | oklch(36.6% 0.074 111.6) |
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 #40420A | 10.49:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #40420A | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #40420A text on white | 10.49:1 | AAA | Lc 94.3 | Preferred for body text |
| #40420A text on black | 2.00:1 | Fails | Lc -8.3 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#D9DBC5
oklch(88.4% 0.03 111.2)
-
Step 300
300
#C1C59C
oklch(81% 0.056 112.2)
-
Step 400
400
#A2A664
oklch(70.6% 0.088 111.4)
-
Step 500
500
#8C9035
oklch(63.2% 0.114 111.6)
-
Step 600
600
#767900
oklch(55.5% 0.122 111.5)
-
Step 700
700
#636600
oklch(49.1% 0.109 111.8)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900 (this color)
#40420A
oklch(36.6% 0.074 111.6)
-
Step 950
950
#27290B
oklch(27.1% 0.047 112.7)
#40420A 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) | #483F01 | 0.015 |
| Deuteranopia (no green cones) | #48400F | 0.017 |
| Tritanopia (no blue cones) | #453D37 | 0.066 |
| Achromatopsia (no color) | #3F3F3F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40420A
#40420A
oklch(36.6% 0.074 111.6)
- #3F3762
#3F3762
oklch(36.6% 0.073 290.9)
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 #40420A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.022
- Green Brown #544E03 ΔE 0.054
- Navy Green #35530A ΔE 0.055
- Forrest Green #154406 ΔE 0.056
- Pine Green #0A481E ΔE 0.057
- Pakistan Green #283618 ΔE 0.061
- Mud Brown #60460F ΔE 0.061
- Evergreen #05472A ΔE 0.062
Use #40420A 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.