#63590D
Closest named color: Olive Brown (#645403). oklch(46% 0.091 101.2), rgb(99, 89, 13).
Aa
White text reads best on this color (7.08:1).
About this color
#63590D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.014 away. White text reads best on it, at 7.08:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #63590D |
| RGB | rgb(99, 89, 13) |
| HSL | hsl(53, 77%, 22%) |
| OKLCH | oklch(46% 0.091 101.2) |
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 #63590D | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #63590D | 2.96:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #63590D text on white | 7.08:1 | AAA | Lc 84.4 | Fine for body text |
| #63590D text on black | 2.96:1 | Fails | Lc -17.5 | 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 700.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DCDAC8
oklch(88.5% 0.024 101.7)
-
Step 300
300
#C6C2A2
oklch(80.9% 0.044 101.4)
-
Step 400
400
#AAA26F
oklch(70.7% 0.07 100.4)
-
Step 500
500
#958B48
oklch(63.1% 0.089 100.9)
-
Step 600
600
#807528
oklch(55.7% 0.097 101.1)
-
Step 700
700 (this color)
#63590D
oklch(46% 0.091 101.2)
-
Step 800
800
#585018
oklch(42.7% 0.075 101.1)
-
Step 900
900
#48421B
oklch(37.6% 0.058 100.7)
-
Step 950
950
#2A2711
oklch(27% 0.036 101.6)
#63590D 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) | #625600 | 0.010 |
| Deuteranopia (no green cones) | #655A13 | 0.006 |
| Tritanopia (no blue cones) | #6B524B | 0.082 |
| Achromatopsia (no color) | #585858 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63590D
#63590D
oklch(46% 0.091 101.2)
- #505189
#505189
oklch(46% 0.09 281.5)
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 #63590D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.014
- Greeny Brown #696006 ΔE 0.024
- Mud #735C12 ΔE 0.030
- Army Green #4B5D16 ΔE 0.038
- Camo Green #526525 ΔE 0.039
- Mud Green #606602 ΔE 0.040
- Camouflage Green #4B6113 ΔE 0.042
- Green Brown #544E03 ΔE 0.044
Use #63590D 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.