#623A39
Closest named color: Purple Brown (#673A3F). oklch(39.6% 0.057 21.5), rgb(98, 58, 57).
Aa
White text reads best on this color (9.61:1).
About this color
#623A39 is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.014 away. White text reads best on it, at 9.61:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #623A39 |
| RGB | rgb(98, 58, 57) |
| HSL | hsl(1, 26%, 30%) |
| OKLCH | oklch(39.6% 0.057 21.5) |
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 #623A39 | 9.61:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #623A39 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #623A39 text on white | 9.61:1 | AAA | Lc 92.1 | Preferred for body text |
| #623A39 text on black | 2.18:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E6
oklch(93.6% 0.012 23.7)
-
Step 200
200
#E9D3D2
oklch(88.5% 0.025 20.8)
-
Step 300
300
#DBB6B4
oklch(80.8% 0.043 21.7)
-
Step 400
400
#C8908E
oklch(70.7% 0.068 21.2)
-
Step 500
500
#B97472
oklch(63.2% 0.088 21.6)
-
Step 600
600
#A45B5A
oklch(55.6% 0.096 21.4)
-
Step 700
700
#8C4B4A
oklch(49.1% 0.088 21.7)
-
Step 800
800
#723E3D
oklch(42.8% 0.073 21.7)
-
Step 900
900 (this color)
#623A39
oklch(39.6% 0.057 21.5)
-
Step 950
950
#361F1F
oklch(26.9% 0.036 19.7)
#623A39 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) | #424039 | 0.060 |
| Deuteranopia (no green cones) | #4C4838 | 0.056 |
| Tritanopia (no blue cones) | #6A353A | 0.020 |
| Achromatopsia (no color) | #454545 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623A39
#623A39
oklch(39.6% 0.057 21.5)
- #185054
#185054
oklch(39.7% 0.057 201.9)
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 #623A39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.014
- Brownish Purple #76424E ΔE 0.055
- Chestnut #742802 ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.069
- Mud Brown #60460F ΔE 0.071
- Onyx #343A40 ΔE 0.084
- Red Brown #8B2E16 ΔE 0.087
- Reddy Brown #6E1005 ΔE 0.088
Use #623A39 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.