#434030
Closest named color: Charcoal Grey (#3C4142). oklch(37% 0.026 98.6), rgb(67, 64, 48).
Aa
White text reads best on this color (10.42:1).
About this color
#434030 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.030 away. White text reads best on it, at 10.42:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #434030 |
| RGB | rgb(67, 64, 48) |
| HSL | hsl(51, 17%, 23%) |
| OKLCH | oklch(37% 0.026 98.6) |
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 #434030 | 10.42:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #434030 | 2.01:1 | Fails | Lc 9.7 | Not readable |
| #434030 text on white | 10.42:1 | AAA | Lc 94.2 | Preferred for body text |
| #434030 text on black | 2.01:1 | Fails | Lc -8.4 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE6
oklch(93.7% 0.005 95.1)
-
Step 200
200
#DBD9D1
oklch(88.5% 0.011 95.2)
-
Step 300
300
#C4C1B3
oklch(80.9% 0.02 96.9)
-
Step 400
400
#A5A18B
oklch(70.6% 0.031 98.6)
-
Step 500
500
#8F8A6E
oklch(63% 0.041 99)
-
Step 600
600
#7A7456
oklch(55.6% 0.044 98.1)
-
Step 700
700
#666146
oklch(49% 0.041 98.9)
-
Step 800
800
#544F3A
oklch(42.6% 0.033 96.3)
-
Step 900
900 (this color)
#434030
oklch(37% 0.026 98.6)
-
Step 950
950
#28271D
oklch(27% 0.018 102.8)
#434030 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) | #433F2F | 0.003 |
| Deuteranopia (no green cones) | #444031 | 0.003 |
| Tritanopia (no blue cones) | #463E3C | 0.024 |
| Achromatopsia (no color) | #404040 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434030
#434030
oklch(37% 0.026 98.6)
- #3C3E4E
#3C3E4E
oklch(36.8% 0.028 279.4)
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 #434030, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.030
- Onyx #343A40 ΔE 0.046
- Dark Olive #373E02 ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.059
- Charcoal #264653 ΔE 0.064
- Pakistan Green #283618 ΔE 0.067
- Mud Brown #60460F ΔE 0.068
- Evergreen #05472A ΔE 0.072
Use #434030 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.