#623B4E
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.061 349.5), rgb(98, 59, 78).
Aa
White text reads best on this color (9.31:1).
About this color
#623B4E is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.061 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.026 away. White text reads best on it, at 9.31:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #623B4E |
| RGB | rgb(98, 59, 78) |
| HSL | hsl(331, 25%, 31%) |
| OKLCH | oklch(40.5% 0.061 349.5) |
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 #623B4E | 9.31:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #623B4E | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #623B4E text on white | 9.31:1 | AAA | Lc 91.4 | Preferred for body text |
| #623B4E text on black | 2.25:1 | Fails | Lc -11.0 | 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 800.
-
Step 50
50
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EB
oklch(93.6% 0.011 348.4)
-
Step 200
200
#E4D4DB
oklch(88.5% 0.02 349.1)
-
Step 300
300
#D4B8C4
oklch(81% 0.036 350.2)
-
Step 400
400
#BD92A6
oklch(70.6% 0.058 349.1)
-
Step 500
500
#AC7790
oklch(63.1% 0.074 349.6)
-
Step 600
600
#97607A
oklch(55.7% 0.079 350.1)
-
Step 700
700
#804F67
oklch(49.1% 0.073 349.3)
-
Step 800
800 (this color)
#623B4E
oklch(40.5% 0.061 349.5)
-
Step 900
900
#553745
oklch(37.7% 0.048 350.1)
-
Step 950
950
#322029
oklch(27% 0.032 348)
#623B4E 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) | #3F434F | 0.064 |
| Deuteranopia (no green cones) | #48494D | 0.060 |
| Tritanopia (no blue cones) | #673A42 | 0.021 |
| Achromatopsia (no color) | #474747 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623B4E
#623B4E
oklch(40.5% 0.061 349.5)
- #215444
#215444
oklch(40.6% 0.061 169.8)
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 #623B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.026
- Brownish Purple #76424E ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.075
- Dusty Grape #545775 ΔE 0.088
- Onyx #343A40 ΔE 0.089
- Dark Mauve #874C62 ΔE 0.091
- Chestnut #742802 ΔE 0.094
- Dark Grey Blue #29465B ΔE 0.094
Use #623B4E 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.