#623D39
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.053 26.4), rgb(98, 61, 57).
Aa
White text reads best on this color (9.35:1).
About this color
#623D39 is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.017 away. White text reads best on it, at 9.35:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #623D39 |
| RGB | rgb(98, 61, 57) |
| HSL | hsl(6, 26%, 30%) |
| OKLCH | oklch(40.2% 0.053 26.4) |
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 #623D39 | 9.35:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #623D39 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #623D39 text on white | 9.35:1 | AAA | Lc 91.5 | Preferred for body text |
| #623D39 text on black | 2.24:1 | Fails | Lc -10.9 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E7
oklch(93.7% 0.009 26)
-
Step 200
200
#E4D5D3
oklch(88.5% 0.017 26.7)
-
Step 300
300
#D4B9B6
oklch(80.8% 0.031 25.4)
-
Step 400
400
#BE9590
oklch(70.7% 0.05 26.4)
-
Step 500
500
#AD7B75
oklch(63.1% 0.064 26.7)
-
Step 600
600
#98645E
oklch(55.7% 0.069 26.7)
-
Step 700
700
#81524D
oklch(49% 0.064 26.3)
-
Step 800
800 (this color)
#623D39
oklch(40.2% 0.053 26.4)
-
Step 900
900
#563936
oklch(37.7% 0.042 25.8)
-
Step 950
950
#322220
oklch(27.1% 0.025 26.9)
#623D39 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) | #454239 | 0.054 |
| Deuteranopia (no green cones) | #4E4938 | 0.050 |
| Tritanopia (no blue cones) | #69383C | 0.020 |
| Achromatopsia (no color) | #474747 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623D39
#623D39
oklch(40.2% 0.053 26.4)
- #205057
#205057
oklch(40.1% 0.053 208.2)
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 #623D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.017
- Brownish Purple #76424E ΔE 0.053
- Mud Brown #60460F ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.068
- Chestnut #742802 ΔE 0.068
- Onyx #343A40 ΔE 0.086
- Red Brown #8B2E16 ΔE 0.086
- Milk Chocolate #7F4E1E ΔE 0.089
Use #623D39 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.