#4B312A
Closest named color: Onyx (#343A40). oklch(34.2% 0.04 35.7), rgb(75, 49, 42).
Aa
White text reads best on this color (11.85:1).
About this color
#4B312A is a dark, muted red. In OKLCH its lightness is 34%, its chroma 0.040 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.052 away. White text reads best on it, at 11.85:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.77:1 |
| White text | 11.85:1 |
Values
| HEX | #4B312A |
| RGB | rgb(75, 49, 42) |
| HSL | hsl(13, 28%, 23%) |
| OKLCH | oklch(34.2% 0.04 35.7) |
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 #4B312A | 11.85:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #4B312A | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #4B312A text on white | 11.85:1 | AAA | Lc 97.1 | Preferred for body text |
| #4B312A text on black | 1.77:1 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E6
oklch(93.6% 0.008 36.6)
-
Step 200
200
#E4D6D2
oklch(88.6% 0.016 36.5)
-
Step 300
300
#D3BAB3
oklch(80.8% 0.03 36.2)
-
Step 400
400
#BC978C
oklch(70.7% 0.047 37.2)
-
Step 500
500
#AB7D70
oklch(63.2% 0.061 36.4)
-
Step 600
600
#966558
oklch(55.5% 0.067 35.5)
-
Step 700
700
#805448
oklch(49.1% 0.062 35.9)
-
Step 800
800
#68453B
oklch(42.7% 0.051 36.6)
-
Step 900
900 (this color)
#4B312A
oklch(34.2% 0.04 35.7)
-
Step 950
950
#32221E
oklch(27% 0.026 34.5)
#4B312A 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) | #373429 | 0.039 |
| Deuteranopia (no green cones) | #3D392A | 0.035 |
| Tritanopia (no blue cones) | #512D2F | 0.020 |
| Achromatopsia (no color) | #373737 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B312A
#4B312A
oklch(34.2% 0.04 35.7)
- #1E3E46
#1E3E46
oklch(34.3% 0.04 216)
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 #4B312A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.055
- Gunmetal #293241 ΔE 0.070
- Purple Brown #673A3F ΔE 0.070
- Pakistan Green #283618 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.076
- Chocolate Brown #411900 ΔE 0.080
- Dark Olive #373E02 ΔE 0.082
Use #4B312A 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.