#31422D
Closest named color: Charcoal Grey (#3C4142). oklch(35.8% 0.042 139.7), rgb(49, 66, 45).
Aa
White text reads best on this color (10.78:1).
About this color
#31422D is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.042 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.042 away. White text reads best on it, at 10.78:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #31422D |
| RGB | rgb(49, 66, 45) |
| HSL | hsl(109, 19%, 22%) |
| OKLCH | oklch(35.8% 0.042 139.7) |
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 #31422D | 10.78:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #31422D | 1.94:1 | Fails | Lc 8.9 | Not readable |
| #31422D text on white | 10.78:1 | AAA | Lc 95.0 | Preferred for body text |
| #31422D text on black | 1.94:1 | Fails | Lc -7.7 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D3DCD1
oklch(88.5% 0.018 140)
-
Step 300
300
#B6C6B3
oklch(80.9% 0.032 140.7)
-
Step 400
400
#91A98B
oklch(70.8% 0.05 139.4)
-
Step 500
500
#75936E
oklch(63% 0.064 139.7)
-
Step 600
600
#5E7D56
oklch(55.5% 0.069 139.3)
-
Step 700
700
#4D6A46
oklch(49.1% 0.065 139.6)
-
Step 800
800
#3F563A
oklch(42.6% 0.053 140)
-
Step 900
900 (this color)
#31422D
oklch(35.8% 0.042 139.7)
-
Step 950
950
#202A1D
oklch(27.1% 0.027 138.5)
#31422D 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) | #433F2C | 0.029 |
| Deuteranopia (no green cones) | #413D2E | 0.030 |
| Tritanopia (no blue cones) | #30413C | 0.026 |
| Achromatopsia (no color) | #3D3D3D | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31422D
#31422D
oklch(35.8% 0.042 139.7)
- #46354A
#46354A
oklch(35.6% 0.042 319.8)
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 #31422D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.042
- Evergreen #05472A ΔE 0.043
- Dark Olive #373E02 ΔE 0.044
- Pakistan Green #283618 ΔE 0.048
- Onyx #343A40 ΔE 0.049
- Pine Green #0A481E ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.059
- Dark Teal #014D4E ΔE 0.059
Use #31422D 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.