#304E37
Closest named color: Dark Blue Green (#005249). oklch(39.3% 0.053 150.8), rgb(48, 78, 55).
Aa
White text reads best on this color (9.24:1).
About this color
#304E37 is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.053 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.038 away. White text reads best on it, at 9.24:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #304E37 |
| RGB | rgb(48, 78, 55) |
| HSL | hsl(134, 24%, 25%) |
| OKLCH | oklch(39.3% 0.053 150.8) |
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 #304E37 | 9.24:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #304E37 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #304E37 text on white | 9.24:1 | AAA | Lc 91.3 | Preferred for body text |
| #304E37 text on black | 2.27:1 | Fails | Lc -11.1 | 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
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#CFDED2
oklch(88.6% 0.023 151.6)
-
Step 300
300
#AFC8B4
oklch(80.8% 0.039 151.3)
-
Step 400
400
#84AC8C
oklch(70.6% 0.063 150.6)
-
Step 500
500
#649870
oklch(63.2% 0.082 150.8)
-
Step 600
600
#4A8258
oklch(55.6% 0.088 150.7)
-
Step 700
700
#3B6E48
oklch(49.1% 0.082 150.7)
-
Step 800
800
#315A3B
oklch(42.8% 0.069 150.5)
-
Step 900
900 (this color)
#304E37
oklch(39.3% 0.053 150.8)
-
Step 950
950
#1A2B1E
oklch(27% 0.033 151.1)
#304E37 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) | #4E4936 | 0.045 |
| Deuteranopia (no green cones) | #4A4638 | 0.045 |
| Tritanopia (no blue cones) | #2B4D48 | 0.029 |
| Achromatopsia (no color) | #474747 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #304E37
#304E37
oklch(39.3% 0.053 150.8)
- #563B53
#563B53
oklch(39.2% 0.053 330.4)
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 #304E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Teal #014D4E ΔE 0.048
- Evergreen #05472A ΔE 0.050
- Pine #2B5D34 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.055
- Pine Green #0A481E ΔE 0.056
- Navy Green #35530A ΔE 0.057
Use #304E37 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.