#433137
Closest named color: Onyx (#343A40). oklch(33.6% 0.028 356.9), rgb(67, 49, 55).
Aa
White text reads best on this color (12.11:1).
About this color
#433137 is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.036 away. White text reads best on it, at 12.11:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.73:1 |
| White text | 12.11:1 |
Values
| HEX | #433137 |
| RGB | rgb(67, 49, 55) |
| HSL | hsl(340, 16%, 23%) |
| OKLCH | oklch(33.6% 0.028 356.9) |
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 #433137 | 12.11:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #433137 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #433137 text on white | 12.11:1 | AAA | Lc 97.7 | Preferred for body text |
| #433137 text on black | 1.73:1 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE8EA
oklch(93.5% 0.006 350.8)
-
Step 200
200
#E0D6D9
oklch(88.5% 0.012 357)
-
Step 300
300
#CDBBC1
oklch(80.9% 0.022 355.4)
-
Step 400
400
#B398A1
oklch(70.7% 0.034 355.9)
-
Step 500
500
#A07F8A
oklch(63.1% 0.043 356.5)
-
Step 600
600
#8A6874
oklch(55.5% 0.047 355.7)
-
Step 700
700
#755761
oklch(49.1% 0.042 356.9)
-
Step 800
800
#60474F
oklch(42.7% 0.036 357.7)
-
Step 900
900 (this color)
#433137
oklch(33.6% 0.028 356.9)
-
Step 950
950
#2E2326
oklch(27% 0.017 0.2)
#433137 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) | #333437 | 0.030 |
| Deuteranopia (no green cones) | #373737 | 0.028 |
| Tritanopia (no blue cones) | #463033 | 0.008 |
| Achromatopsia (no color) | #363636 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433137
#433137
oklch(33.6% 0.028 356.9)
- #273C36
#273C36
oklch(33.6% 0.029 174.8)
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 #433137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.036
- Gunmetal #293241 ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.065
- Charcoal #264653 ΔE 0.076
- Prussian Blue #1D3557 ΔE 0.078
- Pakistan Green #283618 ΔE 0.078
Use #433137 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.