#623B23
Closest named color: Mud Brown (#60460F). oklch(39.4% 0.066 51.4), rgb(98, 59, 35).
Aa
White text reads best on this color (9.68:1).
About this color
#623B23 is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.066 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.043 away. White text reads best on it, at 9.68:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #623B23 |
| RGB | rgb(98, 59, 35) |
| HSL | hsl(23, 47%, 26%) |
| OKLCH | oklch(39.4% 0.066 51.4) |
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 #623B23 | 9.68:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #623B23 | 2.16:1 | Fails | Lc 11.7 | Not readable |
| #623B23 text on white | 9.68:1 | AAA | Lc 92.2 | Preferred for body text |
| #623B23 text on black | 2.16:1 | Fails | Lc -10.2 | 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
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D4C9
oklch(88.4% 0.028 49.6)
-
Step 300
300
#DCB8A4
oklch(80.9% 0.05 50.7)
-
Step 400
400
#C99373
oklch(70.8% 0.079 51.7)
-
Step 500
500
#BA774E
oklch(63.1% 0.101 51.5)
-
Step 600
600
#A55E31
oklch(55.5% 0.11 51)
-
Step 700
700
#8E4E23
oklch(49.2% 0.103 51.7)
-
Step 800
800
#73401F
oklch(42.7% 0.085 51.5)
-
Step 900
900 (this color)
#623B23
oklch(39.4% 0.066 51.4)
-
Step 950
950
#372013
oklch(27% 0.042 49.7)
#623B23 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) | #463F21 | 0.054 |
| Deuteranopia (no green cones) | #4F4823 | 0.050 |
| Tritanopia (no blue cones) | #6B3335 | 0.043 |
| Achromatopsia (no color) | #444444 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623B23
#623B23
oklch(39.4% 0.066 51.4)
- #184C63
#184C63
oklch(39.3% 0.066 231.1)
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 #623B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.043
- Purple Brown #673A3F ΔE 0.044
- Chestnut #742802 ΔE 0.052
- Green Brown #544E03 ΔE 0.074
- Brownish Purple #76424E ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.076
- Rust Brown #8B3103 ΔE 0.082
- Red Brown #8B2E16 ΔE 0.082
Use #623B23 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.