#623F51
Closest named color: Purple Brown (#673A3F). oklch(41.4% 0.055 347.6), rgb(98, 63, 81).
Aa
White text reads best on this color (8.93:1).
About this color
#623F51 is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.055 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 8.93:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.34:1 |
| White text | 8.93:1 |
Values
| HEX | #623F51 |
| RGB | rgb(98, 63, 81) |
| HSL | hsl(329, 22%, 32%) |
| OKLCH | oklch(41.4% 0.055 347.6) |
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 #623F51 | 8.93:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #623F51 | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #623F51 text on white | 8.93:1 | AAA | Lc 90.4 | Preferred for body text |
| #623F51 text on black | 2.34:1 | Fails | Lc -11.9 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D5DB
oklch(88.6% 0.017 349.5)
-
Step 300
300
#D1B9C4
oklch(80.9% 0.031 348.4)
-
Step 400
400
#BA94A6
oklch(70.7% 0.052 348.4)
-
Step 500
500
#A87991
oklch(63% 0.067 347.2)
-
Step 600
600
#93627B
oklch(55.6% 0.072 347.7)
-
Step 700
700
#7D5168
oklch(49.1% 0.067 347.2)
-
Step 800
800 (this color)
#623F51
oklch(41.4% 0.055 347.6)
-
Step 900
900
#533846
oklch(37.7% 0.044 347)
-
Step 950
950
#312129
oklch(27% 0.028 347.7)
#623F51 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) | #424652 | 0.058 |
| Deuteranopia (no green cones) | #4A4C50 | 0.055 |
| Tritanopia (no blue cones) | #673E45 | 0.021 |
| Achromatopsia (no color) | #494949 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623F51
#623F51
oklch(41.4% 0.055 347.6)
- #2A5545
#2A5545
oklch(41.3% 0.056 167.3)
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 #623F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Brownish Purple #76424E ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.074
- Dusty Grape #545775 ΔE 0.078
- Dark Mauve #874C62 ΔE 0.085
- Dusk #4E5481 ΔE 0.089
- Onyx #343A40 ΔE 0.091
- Dark Grey Blue #29465B ΔE 0.091
Use #623F51 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.