#305B48
Closest named color: Dark Green Blue (#1F6357). oklch(43.4% 0.058 163.7), rgb(48, 91, 72).
Aa
White text reads best on this color (7.73:1).
About this color
#305B48 is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.058 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.029 away. White text reads best on it, at 7.73:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #305B48 |
| RGB | rgb(48, 91, 72) |
| HSL | hsl(153, 31%, 27%) |
| OKLCH | oklch(43.4% 0.058 163.7) |
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 #305B48 | 7.73:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #305B48 | 2.71:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #305B48 text on white | 7.73:1 | AAA | Lc 86.7 | Fine for body text |
| #305B48 text on black | 2.71:1 | Fails | Lc -15.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC8BB
oklch(81% 0.033 164)
-
Step 400
400
#82AC97
oklch(70.8% 0.055 162.9)
-
Step 500
500
#61977E
oklch(63.1% 0.069 163.6)
-
Step 600
600
#468167
oklch(55.5% 0.075 163.7)
-
Step 700
700
#376D56
oklch(49% 0.069 164.1)
-
Step 800
800 (this color)
#305B48
oklch(43.4% 0.058 163.7)
-
Step 900
900
#2A493B
oklch(37.6% 0.044 163.9)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#305B48 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) | #5A5647 | 0.057 |
| Deuteranopia (no green cones) | #535149 | 0.055 |
| Tritanopia (no blue cones) | #245B56 | 0.024 |
| Achromatopsia (no color) | #535353 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305B48
#305B48
oklch(43.4% 0.058 163.7)
- #684459
#684459
oklch(43.5% 0.058 343.9)
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 #305B48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.029
- Pine #2B5D34 ΔE 0.034
- Spruce #0A5F38 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.045
- Dark Blue Green #005249 ΔE 0.047
- Deep Teal #00555A ΔE 0.050
- Petrol #005F6A ΔE 0.055
- Dark Aqua #05696B ΔE 0.059
Use #305B48 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.