#304B33
Closest named color: Dark Blue Green (#005249). oklch(38.4% 0.052 147.2), rgb(48, 75, 51).
Aa
White text reads best on this color (9.63:1).
About this color
#304B33 is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.052 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.042 away. White text reads best on it, at 9.63:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #304B33 |
| RGB | rgb(48, 75, 51) |
| HSL | hsl(127, 22%, 24%) |
| OKLCH | oklch(38.4% 0.052 147.2) |
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 #304B33 | 9.63:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #304B33 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #304B33 text on white | 9.63:1 | AAA | Lc 92.3 | Preferred for body text |
| #304B33 text on black | 2.17:1 | Fails | Lc -10.2 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#D0DDD1
oklch(88.4% 0.021 147.6)
-
Step 300
300
#B1C8B2
oklch(80.9% 0.039 146.4)
-
Step 400
400
#87AC8A
oklch(70.8% 0.063 147)
-
Step 500
500
#68976D
oklch(63.1% 0.081 147.2)
-
Step 600
600
#4F8155
oklch(55.5% 0.087 147.2)
-
Step 700
700
#406D45
oklch(49.1% 0.081 146.8)
-
Step 800
800
#355939
oklch(42.7% 0.067 146.9)
-
Step 900
900 (this color)
#304B33
oklch(38.4% 0.052 147.2)
-
Step 950
950
#1B2B1D
oklch(27% 0.034 147.8)
#304B33 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) | #4C4632 | 0.043 |
| Deuteranopia (no green cones) | #474434 | 0.040 |
| Tritanopia (no blue cones) | #2D4A45 | 0.031 |
| Achromatopsia (no color) | #454545 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #304B33
#304B33
oklch(38.4% 0.052 147.2)
- #523952
#523952
oklch(38.3% 0.053 326.5)
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 #304B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.044
- Evergreen #05472A ΔE 0.044
- Dark Teal #014D4E ΔE 0.050
- Pine Green #0A481E ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Olive #373E02 ΔE 0.057
- Navy Green #35530A ΔE 0.058
Use #304B33 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.