#34423D
Closest named color: Charcoal Grey (#3C4142). oklch(36.5% 0.02 171.4), rgb(52, 66, 61).
Aa
White text reads best on this color (10.53:1).
About this color
#34423D is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.017 away. White text reads best on it, at 10.53:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #34423D |
| RGB | rgb(52, 66, 61) |
| HSL | hsl(159, 12%, 23%) |
| OKLCH | oklch(36.5% 0.02 171.4) |
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 #34423D | 10.53:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #34423D | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #34423D text on white | 10.53:1 | AAA | Lc 94.5 | Preferred for body text |
| #34423D text on black | 1.99:1 | Fails | Lc -8.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B7C4BF
oklch(80.9% 0.016 170.9)
-
Step 400
400
#92A69F
oklch(70.8% 0.025 172.5)
-
Step 500
500
#779087
oklch(63.1% 0.031 171.4)
-
Step 600
600
#607A71
oklch(55.6% 0.033 171.9)
-
Step 700
700
#4F675E
oklch(49.2% 0.032 170)
-
Step 800
800
#41544D
oklch(42.8% 0.026 170.6)
-
Step 900
900 (this color)
#34423D
oklch(36.5% 0.02 171.4)
-
Step 950
950
#202926
oklch(27.1% 0.014 173)
#34423D 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) | #41403D | 0.021 |
| Deuteranopia (no green cones) | #3E3E3D | 0.019 |
| Tritanopia (no blue cones) | #314240 | 0.006 |
| Achromatopsia (no color) | #3F3F3F | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34423D
#34423D
oklch(36.5% 0.02 171.4)
- #473A40
#473A40
oklch(36.4% 0.021 348.7)
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 #34423D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.017
- Onyx #343A40 ΔE 0.029
- Charcoal #264653 ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.043
- Dark Teal #014D4E ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.050
- Dark Blue Green #005249 ΔE 0.058
Use #34423D 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.