#635403
Closest named color: Olive Brown (#645403). oklch(44.8% 0.091 96.9), rgb(99, 84, 3).
Aa
White text reads best on this color (7.50:1).
About this color
#635403 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.002 away. White text reads best on it, at 7.50:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #635403 |
| RGB | rgb(99, 84, 3) |
| HSL | hsl(51, 94%, 20%) |
| OKLCH | oklch(44.8% 0.091 96.9) |
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 #635403 | 7.50:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #635403 | 2.79:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #635403 text on white | 7.50:1 | AAA | Lc 85.9 | Fine for body text |
| #635403 text on black | 2.79:1 | Fails | Lc -16.1 | Dividers and decoration only |
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 800.
-
Step 50
50
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#ECEADF
oklch(93.6% 0.015 98.3)
-
Step 200
200
#DEDAC4
oklch(88.6% 0.03 98.5)
-
Step 300
300
#CAC19A
oklch(80.8% 0.053 96.6)
-
Step 400
400
#AFA162
oklch(70.7% 0.085 97.2)
-
Step 500
500
#9C8931
oklch(63% 0.109 96.9)
-
Step 600
600
#877200
oklch(55.5% 0.114 96.2)
-
Step 700
700
#716000
oklch(49.1% 0.101 97)
-
Step 800
800 (this color)
#635403
oklch(44.8% 0.091 96.9)
-
Step 900
900
#4C410B
oklch(37.6% 0.071 97)
-
Step 950
950
#2D260A
oklch(27% 0.044 95.2)
#635403 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) | #5E5200 | 0.011 |
| Deuteranopia (no green cones) | #62570B | 0.008 |
| Tritanopia (no blue cones) | #6C4C47 | 0.085 |
| Achromatopsia (no color) | #555555 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635403
#635403
oklch(44.8% 0.091 96.9)
- #484F86
#484F86
oklch(44.8% 0.09 276.6)
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 #635403, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.002
- Green Brown #544E03 ΔE 0.033
- Greeny Brown #696006 ΔE 0.037
- Mud #735C12 ΔE 0.039
- Army Green #4B5D16 ΔE 0.042
- Mud Brown #60460F ΔE 0.044
- Camouflage Green #4B6113 ΔE 0.050
- Camo Green #526525 ΔE 0.051
Use #635403 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.