#623B2B
Closest named color: Purple Brown (#673A3F). oklch(39.5% 0.061 42.9), rgb(98, 59, 43).
Aa
White text reads best on this color (9.63:1).
About this color
#623B2B is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.63:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #623B2B |
| RGB | rgb(98, 59, 43) |
| HSL | hsl(17, 39%, 28%) |
| OKLCH | oklch(39.5% 0.061 42.9) |
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 #623B2B | 9.63:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #623B2B | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #623B2B text on white | 9.63:1 | AAA | Lc 92.1 | Preferred for body text |
| #623B2B text on black | 2.17:1 | Fails | Lc -10.3 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E9D4CC
oklch(88.5% 0.026 42.1)
-
Step 300
300
#DBB8A9
oklch(80.9% 0.046 44.5)
-
Step 400
400
#C8927C
oklch(70.7% 0.073 43.1)
-
Step 500
500
#B9765B
oklch(63% 0.093 42.6)
-
Step 600
600
#A55E40
oklch(55.7% 0.103 43.2)
-
Step 700
700
#8D4D32
oklch(49.1% 0.095 43)
-
Step 800
800
#723F2A
oklch(42.5% 0.078 42.7)
-
Step 900
900 (this color)
#623B2B
oklch(39.5% 0.061 42.9)
-
Step 950
950
#362017
oklch(26.9% 0.038 43)
#623B2B 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) | #45402A | 0.055 |
| Deuteranopia (no green cones) | #4E482B | 0.051 |
| Tritanopia (no blue cones) | #6B3437 | 0.035 |
| Achromatopsia (no color) | #454545 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623B2B
#623B2B
oklch(39.5% 0.061 42.9)
- #194D5E
#194D5E
oklch(39.4% 0.061 223.4)
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 #623B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Mud Brown #60460F ΔE 0.051
- Chestnut #742802 ΔE 0.055
- Brownish Purple #76424E ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.072
- Green Brown #544E03 ΔE 0.082
- Red Brown #8B2E16 ΔE 0.082
- Rust Brown #8B3103 ΔE 0.083
Use #623B2B 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.