#31483F
Closest named color: Charcoal Grey (#3C4142). oklch(38% 0.033 168.4), rgb(49, 72, 63).
Aa
White text reads best on this color (9.86:1).
About this color
#31483F is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.033 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.029 away. White text reads best on it, at 9.86:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.12:1 |
| White text | 9.86:1 |
Values
| HEX | #31483F |
| RGB | rgb(49, 72, 63) |
| HSL | hsl(157, 19%, 24%) |
| OKLCH | oklch(38% 0.033 168.4) |
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 #31483F | 9.86:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #31483F | 2.12:1 | Fails | Lc 11.1 | Not readable |
| #31483F text on white | 9.86:1 | AAA | Lc 92.9 | Preferred for body text |
| #31483F text on black | 2.12:1 | Fails | Lc -9.6 | 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
#B2C6BE
oklch(80.9% 0.024 169.7)
-
Step 400
400
#8AA99C
oklch(70.8% 0.039 167.9)
-
Step 500
500
#6C9484
oklch(63.2% 0.05 168.1)
-
Step 600
600
#537E6D
oklch(55.6% 0.055 167.6)
-
Step 700
700
#436A5B
oklch(49% 0.051 168.1)
-
Step 800
800
#38574B
oklch(42.9% 0.042 168.1)
-
Step 900
900 (this color)
#31483F
oklch(38% 0.033 168.4)
-
Step 950
950
#1D2A25
oklch(27.1% 0.02 169.2)
#31483F 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) | #47453F | 0.034 |
| Deuteranopia (no green cones) | #434240 | 0.032 |
| Tritanopia (no blue cones) | #2C4845 | 0.011 |
| Achromatopsia (no color) | #434343 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31483F
#31483F
oklch(38% 0.033 168.4)
- #503B45
#503B45
oklch(37.9% 0.033 348.6)
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 #31483F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.029
- Charcoal #264653 ΔE 0.038
- Dark Teal #014D4E ΔE 0.039
- Dark Blue Green #005249 ΔE 0.042
- Onyx #343A40 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.051
- Deep Teal #00555A ΔE 0.055
Use #31483F 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.