#305A47
Closest named color: Dark Green Blue (#1F6357). oklch(43.1% 0.057 163.2), rgb(48, 90, 71).
Aa
White text reads best on this color (7.83:1).
About this color
#305A47 is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.057 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 7.83:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.67:1 |
| White text | 7.83:1 |
Values
| HEX | #305A47 |
| RGB | rgb(48, 90, 71) |
| HSL | hsl(153, 30%, 27%) |
| OKLCH | oklch(43.1% 0.057 163.2) |
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 #305A47 | 7.83:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #305A47 | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #305A47 text on white | 7.83:1 | AAA | Lc 87.1 | Fine for body text |
| #305A47 text on black | 2.67:1 | Fails | Lc -15.0 | 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
#AEC8BA
oklch(80.9% 0.034 162.1)
-
Step 400
400
#82AC97
oklch(70.8% 0.055 162.9)
-
Step 500
500
#62977E
oklch(63.2% 0.068 163.2)
-
Step 600
600
#478167
oklch(55.6% 0.074 163.4)
-
Step 700
700
#386D55
oklch(49.1% 0.069 162.8)
-
Step 800
800 (this color)
#305A47
oklch(43.1% 0.057 163.2)
-
Step 900
900
#2A493B
oklch(37.6% 0.044 163.9)
-
Step 950
950
#192B22
oklch(27% 0.029 161.9)
#305A47 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) | #595546 | 0.056 |
| Deuteranopia (no green cones) | #525048 | 0.054 |
| Tritanopia (no blue cones) | #245A55 | 0.024 |
| Achromatopsia (no color) | #525252 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305A47
#305A47
oklch(43.1% 0.057 163.2)
- #664358
#664358
oklch(43% 0.057 343.1)
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 #305A47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Pine #2B5D34 ΔE 0.034
- Spruce #0A5F38 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.043
- Dark Blue Green #005249 ΔE 0.045
- Deep Teal #00555A ΔE 0.049
- Petrol #005F6A ΔE 0.056
- Dark Teal #014D4E ΔE 0.061
Use #305A47 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.