#623C42
Closest named color: Purple Brown (#673A3F). oklch(40.3% 0.054 9.5), rgb(98, 60, 66).
Aa
White text reads best on this color (9.35:1).
About this color
#623C42 is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.054 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.011 away. White text reads best on it, at 9.35:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #623C42 |
| RGB | rgb(98, 60, 66) |
| HSL | hsl(351, 24%, 31%) |
| OKLCH | oklch(40.3% 0.054 9.5) |
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 #623C42 | 9.35:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #623C42 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #623C42 text on white | 9.35:1 | AAA | Lc 91.5 | Preferred for body text |
| #623C42 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7E8
oklch(93.5% 0.01 9.5)
-
Step 200
200
#E4D5D6
oklch(88.5% 0.017 12.8)
-
Step 300
300
#D4B9BC
oklch(81% 0.031 10.2)
-
Step 400
400
#BE949A
oklch(70.7% 0.051 8.9)
-
Step 500
500
#AD7981
oklch(63.1% 0.066 9)
-
Step 600
600
#97626A
oklch(55.6% 0.07 9.7)
-
Step 700
700
#815158
oklch(49.1% 0.065 10.2)
-
Step 800
800 (this color)
#623C42
oklch(40.3% 0.054 9.5)
-
Step 900
900
#55383D
oklch(37.6% 0.042 7.9)
-
Step 950
950
#322123
oklch(27% 0.026 11.2)
#623C42 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) | #424242 | 0.059 |
| Deuteranopia (no green cones) | #4C4941 | 0.054 |
| Tritanopia (no blue cones) | #69393E | 0.015 |
| Achromatopsia (no color) | #474747 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623C42
#623C42
oklch(40.3% 0.054 9.5)
- #1F524F
#1F524F
oklch(40.3% 0.054 189.9)
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 #623C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.011
- Brownish Purple #76424E ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.069
- Chestnut #742802 ΔE 0.077
- Mud Brown #60460F ΔE 0.080
- Onyx #343A40 ΔE 0.085
- Dark Slate Gray #2F4F4F ΔE 0.092
- Red Brown #8B2E16 ΔE 0.092
Use #623C42 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.