#623339
Closest named color: Purple Brown (#673A3F). oklch(38.3% 0.068 12.7), rgb(98, 51, 57).
Aa
White text reads best on this color (10.23:1).
About this color
#623339 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.068 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.022 away. White text reads best on it, at 10.23:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #623339 |
| RGB | rgb(98, 51, 57) |
| HSL | hsl(352, 32%, 29%) |
| OKLCH | oklch(38.3% 0.068 12.7) |
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 #623339 | 10.23:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #623339 | 2.05:1 | Fails | Lc 10.4 | Not readable |
| #623339 text on white | 10.23:1 | AAA | Lc 93.5 | Preferred for body text |
| #623339 text on black | 2.05:1 | Fails | Lc -9.0 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F3E6E7
oklch(93.6% 0.014 12)
-
Step 200
200
#EBD2D4
oklch(88.5% 0.028 12.2)
-
Step 300
300
#DFB4B7
oklch(80.9% 0.05 13.5)
-
Step 400
400
#CE8C92
oklch(70.8% 0.081 13.3)
-
Step 500
500
#C06E78
oklch(63.2% 0.104 12.7)
-
Step 600
600
#AB5561
oklch(55.7% 0.113 12.7)
-
Step 700
700
#924550
oklch(49.1% 0.104 12.8)
-
Step 800
800
#773942
oklch(42.8% 0.087 12.3)
-
Step 900
900 (this color)
#623339
oklch(38.3% 0.068 12.7)
-
Step 950
950
#391D21
oklch(27% 0.044 11.3)
#623339 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) | #3C3B39 | 0.073 |
| Deuteranopia (no green cones) | #484438 | 0.067 |
| Tritanopia (no blue cones) | #6A2E35 | 0.019 |
| Achromatopsia (no color) | #414141 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623339
#623339
oklch(38.3% 0.068 12.7)
- #004E4D
#004E4D
oklch(38.3% 0.066 193.3)
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 #623339, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.022
- Brownish Purple #76424E ΔE 0.063
- Chestnut #742802 ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.075
- Reddy Brown #6E1005 ΔE 0.076
- Wine Red #7B0323 ΔE 0.080
- Bordeaux #7B002C ΔE 0.082
- Merlot #730039 ΔE 0.084
Use #623339 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.