#4D313F
Closest named color: Onyx (#343A40). oklch(35.2% 0.046 348.3), rgb(77, 49, 63).
Aa
White text reads best on this color (11.49:1).
About this color
#4D313F is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.046 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.050 away. White text reads best on it, at 11.49:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.82:1 |
| White text | 11.49:1 |
Values
| HEX | #4D313F |
| RGB | rgb(77, 49, 63) |
| HSL | hsl(330, 22%, 25%) |
| OKLCH | oklch(35.2% 0.046 348.3) |
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 #4D313F | 11.49:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #4D313F | 1.82:1 | Fails | Lc 7.5 | Not readable |
| #4D313F text on white | 11.49:1 | AAA | Lc 96.4 | Preferred for body text |
| #4D313F text on black | 1.82:1 | 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
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DB
oklch(88.4% 0.019 347.5)
-
Step 300
300
#D3B8C4
oklch(80.9% 0.035 349.3)
-
Step 400
400
#BC93A6
oklch(70.7% 0.055 349.1)
-
Step 500
500
#AA7891
oklch(63.1% 0.071 347.9)
-
Step 600
600
#95617B
oklch(55.7% 0.076 348.5)
-
Step 700
700
#7F5068
oklch(49.2% 0.071 348.1)
-
Step 800
800
#674154
oklch(42.6% 0.059 348.5)
-
Step 900
900 (this color)
#4D313F
oklch(35.2% 0.046 348.3)
-
Step 950
950
#312129
oklch(27% 0.028 347.7)
#4D313F 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) | #333740 | 0.049 |
| Deuteranopia (no green cones) | #3A3B3E | 0.045 |
| Tritanopia (no blue cones) | #513036 | 0.017 |
| Achromatopsia (no color) | #393939 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D313F
#4D313F
oklch(35.2% 0.046 348.3)
- #214336
#214336
oklch(35.3% 0.046 166.9)
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 #4D313F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.055
- Purple Brown #673A3F ΔE 0.061
- Gunmetal #293241 ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.077
- Charcoal #264653 ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.083
Use #4D313F 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.