#403907
Closest named color: Dark Olive (#373E02). oklch(34.2% 0.066 100.9), rgb(64, 57, 7).
Aa
White text reads best on this color (11.62:1).
About this color
#403907 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.066 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.023 away. White text reads best on it, at 11.62:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.80:1 |
| White text | 11.62:1 |
Values
| HEX | #403907 |
| RGB | rgb(64, 57, 7) |
| HSL | hsl(53, 80%, 14%) |
| OKLCH | oklch(34.2% 0.066 100.9) |
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 #403907 | 11.62:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #403907 | 1.80:1 | Fails | Lc 0.0 | Not readable |
| #403907 text on white | 11.62:1 | AAA | Lc 96.6 | Preferred for body text |
| #403907 text on black | 1.80:1 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#ECEAE0
oklch(93.6% 0.013 97.4)
-
Step 200
200
#DDDAC6
oklch(88.5% 0.027 99.9)
-
Step 300
300
#C7C29E
oklch(80.9% 0.049 100.8)
-
Step 400
400
#ABA267
oklch(70.6% 0.079 100.7)
-
Step 500
500
#978B3C
oklch(63.1% 0.101 100.7)
-
Step 600
600
#827412
oklch(55.5% 0.11 100.4)
-
Step 700
700
#6E6200
oklch(49.2% 0.103 101)
-
Step 800
800
#595009
oklch(42.7% 0.085 101.4)
-
Step 900
900 (this color)
#403907
oklch(34.2% 0.066 100.9)
-
Step 950
950
#2B270D
oklch(27% 0.042 100.7)
#403907 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) | #3F3700 | 0.008 |
| Deuteranopia (no green cones) | #413A0B | 0.004 |
| Tritanopia (no blue cones) | #463430 | 0.061 |
| Achromatopsia (no color) | #393939 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403907
#403907
oklch(34.2% 0.066 100.9)
- #32345A
#32345A
oklch(34.2% 0.066 280)
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 #403907, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.023
- Pakistan Green #283618 ΔE 0.044
- Forrest Green #154406 ΔE 0.066
- Hunter Green #0B4008 ΔE 0.069
- Pine Green #0A481E ΔE 0.070
- Evergreen #05472A ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.075
- Mud Brown #60460F ΔE 0.075
Use #403907 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.