#31473E
Closest named color: Charcoal Grey (#3C4142). oklch(37.6% 0.032 167.4), rgb(49, 71, 62).
Aa
White text reads best on this color (9.99:1).
About this color
#31473E is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.032 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.028 away. White text reads best on it, at 9.99:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #31473E |
| RGB | rgb(49, 71, 62) |
| HSL | hsl(155, 18%, 24%) |
| OKLCH | oklch(37.6% 0.032 167.4) |
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 #31473E | 9.99:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #31473E | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #31473E text on white | 9.99:1 | AAA | Lc 93.2 | Preferred for body text |
| #31473E text on black | 2.10:1 | Fails | Lc -9.3 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B3C6BD
oklch(80.9% 0.024 165.7)
-
Step 400
400
#8BA99C
oklch(70.8% 0.038 167.1)
-
Step 500
500
#6D9383
oklch(63% 0.049 167)
-
Step 600
600
#557E6D
oklch(55.8% 0.053 166.7)
-
Step 700
700
#456A5B
oklch(49.2% 0.049 167)
-
Step 800
800
#39564A
oklch(42.6% 0.04 166.8)
-
Step 900
900 (this color)
#31473E
oklch(37.6% 0.032 167.4)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#31473E 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) | #46443E | 0.032 |
| Deuteranopia (no green cones) | #42413F | 0.031 |
| Tritanopia (no blue cones) | #2C4744 | 0.011 |
| Achromatopsia (no color) | #424242 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31473E
#31473E
oklch(37.6% 0.032 167.4)
- #4E3B45
#4E3B45
oklch(37.7% 0.031 345.8)
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 #31473E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.032
- Charcoal #264653 ΔE 0.038
- Dark Teal #014D4E ΔE 0.040
- Dark Blue Green #005249 ΔE 0.044
- Onyx #343A40 ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.051
- Evergreen #05472A ΔE 0.055
Use #31473E 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.