#623E21
Closest named color: Mud Brown (#60460F). oklch(39.9% 0.066 58.1), rgb(98, 62, 33).
Aa
White text reads best on this color (9.41:1).
About this color
#623E21 is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.066 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.033 away. White text reads best on it, at 9.41:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.23:1 |
| White text | 9.41:1 |
Values
| HEX | #623E21 |
| RGB | rgb(98, 62, 33) |
| HSL | hsl(27, 50%, 26%) |
| OKLCH | oklch(39.9% 0.066 58.1) |
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 #623E21 | 9.41:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #623E21 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #623E21 text on white | 9.41:1 | AAA | Lc 91.6 | Preferred for body text |
| #623E21 text on black | 2.23:1 | Fails | Lc -10.8 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C8
oklch(88.5% 0.028 56.7)
-
Step 300
300
#DAB9A2
oklch(80.8% 0.049 56.8)
-
Step 400
400
#C6956F
oklch(70.7% 0.079 58.8)
-
Step 500
500
#B77948
oklch(63% 0.101 57.9)
-
Step 600
600
#A26128
oklch(55.5% 0.11 58.4)
-
Step 700
700
#8B501B
oklch(49.1% 0.102 58.1)
-
Step 800
800
#714219
oklch(42.7% 0.085 58.3)
-
Step 900
900 (this color)
#623E21
oklch(39.9% 0.066 58.1)
-
Step 950
950
#362111
oklch(27% 0.042 57.1)
#623E21 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) | #49411E | 0.048 |
| Deuteranopia (no green cones) | #514921 | 0.044 |
| Tritanopia (no blue cones) | #6B3637 | 0.047 |
| Achromatopsia (no color) | #464646 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623E21
#623E21
oklch(39.9% 0.066 58.1)
- #204C67
#204C67
oklch(39.9% 0.066 238.5)
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 #623E21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.033
- Purple Brown #673A3F ΔE 0.050
- Chestnut #742802 ΔE 0.057
- Green Brown #544E03 ΔE 0.065
- Olive Brown #645403 ΔE 0.075
- Milk Chocolate #7F4E1E ΔE 0.076
- Brownish Purple #76424E ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.078
Use #623E21 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.