#623F2B
Closest named color: Purple Brown (#673A3F). oklch(40.3% 0.058 50.2), rgb(98, 63, 43).
Aa
White text reads best on this color (9.27:1).
About this color
#623F2B is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.058 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.27:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #623F2B |
| RGB | rgb(98, 63, 43) |
| HSL | hsl(22, 39%, 28%) |
| OKLCH | oklch(40.3% 0.058 50.2) |
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 #623F2B | 9.27:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #623F2B | 2.26:1 | Fails | Lc 12.7 | Not readable |
| #623F2B text on white | 9.27:1 | AAA | Lc 91.3 | Preferred for body text |
| #623F2B text on black | 2.26:1 | Fails | Lc -11.1 | 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 800.
-
Step 50
50
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E4D6CE
oklch(88.5% 0.019 51.9)
-
Step 300
300
#D4BBAD
oklch(81% 0.035 51.2)
-
Step 400
400
#BD9782
oklch(70.6% 0.055 50.4)
-
Step 500
500
#AC7D63
oklch(63% 0.07 50)
-
Step 600
600
#97664A
oklch(55.5% 0.075 50.4)
-
Step 700
700
#81553B
oklch(49.2% 0.07 51.1)
-
Step 800
800 (this color)
#623F2B
oklch(40.3% 0.058 50.2)
-
Step 900
900
#553B2B
oklch(37.8% 0.045 52.5)
-
Step 950
950
#32221A
oklch(26.9% 0.029 47.6)
#623F2B 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) | #494329 | 0.048 |
| Deuteranopia (no green cones) | #514A2B | 0.043 |
| Tritanopia (no blue cones) | #6A393A | 0.036 |
| Achromatopsia (no color) | #474747 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623F2B
#623F2B
oklch(40.3% 0.058 50.2)
- #234E62
#234E62
oklch(40.2% 0.058 230.8)
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 #623F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Mud Brown #60460F ΔE 0.042
- Chestnut #742802 ΔE 0.061
- Brownish Purple #76424E ΔE 0.067
- Green Brown #544E03 ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.072
- Milk Chocolate #7F4E1E ΔE 0.076
- Olive Brown #645403 ΔE 0.080
Use #623F2B 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.