#623D18
Closest named color: Mud Brown (#60460F). oklch(39.6% 0.073 62.7), rgb(98, 61, 24).
Aa
White text reads best on this color (9.54:1).
About this color
#623D18 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.073 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.029 away. White text reads best on it, at 9.54:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #623D18 |
| RGB | rgb(98, 61, 24) |
| HSL | hsl(30, 61%, 24%) |
| OKLCH | oklch(39.6% 0.073 62.7) |
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 #623D18 | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #623D18 | 2.20:1 | Fails | Lc 12.1 | Not readable |
| #623D18 text on white | 9.54:1 | AAA | Lc 91.9 | Preferred for body text |
| #623D18 text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E8D5C5
oklch(88.4% 0.03 62.5)
-
Step 300
300
#DBBA9D
oklch(81% 0.055 63.2)
-
Step 400
400
#C89566
oklch(70.8% 0.088 63.3)
-
Step 500
500
#B9793B
oklch(63.1% 0.111 62.4)
-
Step 600
600
#A46111
oklch(55.6% 0.121 63)
-
Step 700
700
#8C5000
oklch(49.1% 0.112 63.2)
-
Step 800
800
#724208
oklch(42.8% 0.093 63.3)
-
Step 900
900 (this color)
#623D18
oklch(39.6% 0.073 62.7)
-
Step 950
950
#36210C
oklch(27% 0.046 63.5)
#623D18 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) | #494014 | 0.049 |
| Deuteranopia (no green cones) | #514918 | 0.046 |
| Tritanopia (no blue cones) | #6B3535 | 0.053 |
| Achromatopsia (no color) | #454545 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623D18
#623D18
oklch(39.6% 0.073 62.7)
- #1E4B6A
#1E4B6A
oklch(39.7% 0.072 241.9)
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 #623D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.029
- Chestnut #742802 ΔE 0.055
- Purple Brown #673A3F ΔE 0.059
- Green Brown #544E03 ΔE 0.062
- Olive Brown #645403 ΔE 0.073
- Milk Chocolate #7F4E1E ΔE 0.077
- Rust Brown #8B3103 ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.083
Use #623D18 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.