#374030
Closest named color: Charcoal Grey (#3C4142). oklch(35.8% 0.029 131.7), rgb(55, 64, 48).
Aa
White text reads best on this color (10.83:1).
About this color
#374030 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.032 away. White text reads best on it, at 10.83:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #374030 |
| RGB | rgb(55, 64, 48) |
| HSL | hsl(94, 14%, 22%) |
| OKLCH | oklch(35.8% 0.029 131.7) |
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 #374030 | 10.83:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #374030 | 1.93:1 | Fails | Lc 8.8 | Not readable |
| #374030 text on white | 10.83:1 | AAA | Lc 95.1 | Preferred for body text |
| #374030 text on black | 1.93:1 | Fails | Lc -7.5 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD3
oklch(88.5% 0.012 133.4)
-
Step 300
300
#BBC4B5
oklch(80.9% 0.023 132.6)
-
Step 400
400
#99A68F
oklch(70.8% 0.036 131.5)
-
Step 500
500
#809073
oklch(63.2% 0.046 131.2)
-
Step 600
600
#697A5C
oklch(55.7% 0.049 131.9)
-
Step 700
700
#57664B
oklch(49% 0.046 131.6)
-
Step 800
800
#47543E
oklch(42.8% 0.039 132.8)
-
Step 900
900 (this color)
#374030
oklch(35.8% 0.029 131.7)
-
Step 950
950
#23281F
oklch(26.9% 0.018 131.3)
#374030 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) | #423E2F | 0.018 |
| Deuteranopia (no green cones) | #403D31 | 0.018 |
| Tritanopia (no blue cones) | #373F3C | 0.022 |
| Achromatopsia (no color) | #3D3D3D | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374030
#374030
oklch(35.8% 0.029 131.7)
- #423848
#423848
oklch(35.8% 0.03 312.8)
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 #374030, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.039
- Dark Olive #373E02 ΔE 0.052
- Pakistan Green #283618 ΔE 0.052
- Evergreen #05472A ΔE 0.055
- Charcoal #264653 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.058
- Dark Teal #014D4E ΔE 0.063
Use #374030 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.