#31493E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(38.2% 0.035 164.5), rgb(49, 73, 62).
Aa
White text reads best on this color (9.75:1).
About this color
#31493E is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.035 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.029 away. White text reads best on it, at 9.75:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #31493E |
| RGB | rgb(49, 73, 62) |
| HSL | hsl(153, 20%, 24%) |
| OKLCH | oklch(38.2% 0.035 164.5) |
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 #31493E | 9.75:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #31493E | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #31493E text on white | 9.75:1 | AAA | Lc 92.6 | Preferred for body text |
| #31493E text on black | 2.15:1 | Fails | Lc -9.9 | 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
#E5EBE8
oklch(93.5% 0.008 164.9)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B2C6BC
oklch(80.8% 0.026 164.3)
-
Step 400
400
#89A99A
oklch(70.6% 0.041 165.1)
-
Step 500
500
#6B9481
oklch(63.1% 0.054 164.5)
-
Step 600
600
#527E6A
oklch(55.5% 0.058 164.2)
-
Step 700
700
#426B59
oklch(49.2% 0.055 164.8)
-
Step 800
800
#375749
oklch(42.7% 0.045 165.1)
-
Step 900
900 (this color)
#31493E
oklch(38.2% 0.035 164.5)
-
Step 950
950
#1C2A24
oklch(27% 0.022 166.4)
#31493E 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) | #48463D | 0.035 |
| Deuteranopia (no green cones) | #44433F | 0.033 |
| Tritanopia (no blue cones) | #2C4946 | 0.014 |
| Achromatopsia (no color) | #444444 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31493E
#31493E
oklch(38.2% 0.035 164.5)
- #513B47
#513B47
oklch(38.1% 0.036 345)
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 #31493E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.033
- Dark Teal #014D4E ΔE 0.039
- Dark Blue Green #005249 ΔE 0.040
- Charcoal #264653 ΔE 0.042
- Onyx #343A40 ΔE 0.052
- Deep Teal #00555A ΔE 0.054
- Evergreen #05472A ΔE 0.054
Use #31493E 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.