#4C333F
Closest named color: Onyx (#343A40). oklch(35.5% 0.041 349), rgb(76, 51, 63).
Aa
White text reads best on this color (11.33:1).
About this color
#4C333F is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.041 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.046 away. White text reads best on it, at 11.33:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.85:1 |
| White text | 11.33:1 |
Values
| HEX | #4C333F |
| RGB | rgb(76, 51, 63) |
| HSL | hsl(331, 20%, 25%) |
| OKLCH | oklch(35.5% 0.041 349) |
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 #4C333F | 11.33:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #4C333F | 1.85:1 | Fails | Lc 7.8 | Not readable |
| #4C333F text on white | 11.33:1 | AAA | Lc 96.1 | Preferred for body text |
| #4C333F text on black | 1.85:1 | Fails | Lc 0.0 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE8EB
oklch(93.7% 0.009 349.3)
-
Step 200
200
#E2D5DB
oklch(88.5% 0.016 347.7)
-
Step 300
300
#D1B9C4
oklch(80.9% 0.031 348.4)
-
Step 400
400
#B995A5
oklch(70.8% 0.048 349.9)
-
Step 500
500
#A77A8F
oklch(63.1% 0.063 349.4)
-
Step 600
600
#92637A
oklch(55.7% 0.068 348.7)
-
Step 700
700
#7C5266
oklch(49.1% 0.063 349.6)
-
Step 800
800
#654353
oklch(42.7% 0.052 349.8)
-
Step 900
900 (this color)
#4C333F
oklch(35.5% 0.041 349)
-
Step 950
950
#302128
oklch(26.9% 0.026 349.4)
#4C333F 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) | #35383F | 0.043 |
| Deuteranopia (no green cones) | #3B3C3E | 0.040 |
| Tritanopia (no blue cones) | #503237 | 0.015 |
| Achromatopsia (no color) | #3A3A3A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C333F
#4C333F
oklch(35.5% 0.041 349)
- #254338
#254338
oklch(35.6% 0.041 168.5)
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 #4C333F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.049
- Purple Brown #673A3F ΔE 0.060
- Gunmetal #293241 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.073
- Charcoal #264653 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.078
Use #4C333F 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.