#40440A
Closest named color: Dark Olive (#373E02). oklch(37.1% 0.076 113.6), rgb(64, 68, 10).
Aa
White text reads best on this color (10.24:1).
About this color
#40440A is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.076 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 10.24:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.04:1 |
| White text | 10.24:1 |
Values
| HEX | #40440A |
| RGB | rgb(64, 68, 10) |
| HSL | hsl(64, 74%, 15%) |
| OKLCH | oklch(37.1% 0.076 113.6) |
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 #40440A | 10.24:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #40440A | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #40440A text on white | 10.24:1 | AAA | Lc 93.7 | Preferred for body text |
| #40440A text on black | 2.04:1 | Fails | Lc -8.8 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#E9EBDF
oklch(93.5% 0.016 114.4)
-
Step 200
200
#D8DCC4
oklch(88.5% 0.032 114.7)
-
Step 300
300
#C0C59B
oklch(80.9% 0.057 113.2)
-
Step 400
400
#A0A763
oklch(70.7% 0.091 113.5)
-
Step 500
500
#899133
oklch(63.1% 0.117 113.9)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#4F5400
oklch(42.7% 0.096 113.7)
-
Step 900
900 (this color)
#40440A
oklch(37.1% 0.076 113.6)
-
Step 950
950
#26290A
oklch(27% 0.049 114.3)
#40440A 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) | #4A4001 | 0.019 |
| Deuteranopia (no green cones) | #4A410F | 0.021 |
| Tritanopia (no blue cones) | #453F39 | 0.068 |
| Achromatopsia (no color) | #414141 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40440A
#40440A
oklch(37.1% 0.076 113.6)
- #423764
#423764
oklch(37% 0.076 293.6)
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 #40440A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Green Brown #544E03 ΔE 0.049
- Navy Green #35530A ΔE 0.049
- Forrest Green #154406 ΔE 0.056
- Pine Green #0A481E ΔE 0.056
- Mud Brown #60460F ΔE 0.059
- British Racing Green #05480D ΔE 0.062
- Evergreen #05472A ΔE 0.062
Use #40440A 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.