#31483A
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.037 157.4), rgb(49, 72, 58).
Aa
White text reads best on this color (9.91:1).
About this color
#31483A is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.037 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.034 away. White text reads best on it, at 9.91:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #31483A |
| RGB | rgb(49, 72, 58) |
| HSL | hsl(143, 19%, 24%) |
| OKLCH | oklch(37.8% 0.037 157.4) |
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 #31483A | 9.91:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #31483A | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #31483A text on white | 9.91:1 | AAA | Lc 93.0 | Preferred for body text |
| #31483A text on black | 2.11:1 | Fails | Lc -9.5 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B3C6BA
oklch(80.9% 0.027 158.1)
-
Step 400
400
#8AA996
oklch(70.6% 0.044 158.2)
-
Step 500
500
#6D947C
oklch(63.1% 0.056 157.3)
-
Step 600
600
#547F65
oklch(55.7% 0.063 157.1)
-
Step 700
700
#446B54
oklch(49.2% 0.058 157.6)
-
Step 800
800
#385745
oklch(42.7% 0.048 158.1)
-
Step 900
900 (this color)
#31483A
oklch(37.8% 0.037 157.4)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#31483A 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) | #484539 | 0.035 |
| Deuteranopia (no green cones) | #44423B | 0.034 |
| Tritanopia (no blue cones) | #2D4844 | 0.017 |
| Achromatopsia (no color) | #434343 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31483A
#31483A
oklch(37.8% 0.037 157.4)
- #4F3A49
#4F3A49
oklch(37.7% 0.038 337)
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 #31483A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Teal #014D4E ΔE 0.043
- Dark Blue Green #005249 ΔE 0.043
- Charcoal #264653 ΔE 0.046
- Evergreen #05472A ΔE 0.050
- Onyx #343A40 ΔE 0.052
- Deep Teal #00555A ΔE 0.059
Use #31483A 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.