#305F4B
Closest named color: Dark Green Blue (#1F6357). oklch(44.6% 0.062 164.3), rgb(48, 95, 75).
Aa
White text reads best on this color (7.33:1).
About this color
#305F4B is a dark, muted green. In OKLCH its lightness is 45%, its chroma 0.062 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 0.020 away. White text reads best on it, at 7.33:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #305F4B |
| RGB | rgb(48, 95, 75) |
| HSL | hsl(154, 33%, 28%) |
| OKLCH | oklch(44.6% 0.062 164.3) |
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 #305F4B | 7.33:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #305F4B | 2.86:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #305F4B text on white | 7.33:1 | AAA | Lc 85.3 | Fine for body text |
| #305F4B text on black | 2.86:1 | Fails | Lc -16.7 | 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
#CEDED6
oklch(88.6% 0.02 164.5)
-
Step 300
300
#ACC8BA
oklch(80.8% 0.036 163.9)
-
Step 400
400
#7FAC97
oklch(70.6% 0.057 164.5)
-
Step 500
500
#5D987E
oklch(63.1% 0.074 164.5)
-
Step 600
600
#418267
oklch(55.5% 0.08 164.5)
-
Step 700
700
#326E55
oklch(49.1% 0.075 164)
-
Step 800
800 (this color)
#305F4B
oklch(44.6% 0.062 164.3)
-
Step 900
900
#274A3B
oklch(37.8% 0.049 164.6)
-
Step 950
950
#182B22
oklch(26.9% 0.03 163)
#305F4B 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) | #5D594A | 0.061 |
| Deuteranopia (no green cones) | #56544C | 0.058 |
| Tritanopia (no blue cones) | #225F59 | 0.024 |
| Achromatopsia (no color) | #565656 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305F4B
#305F4B
oklch(44.6% 0.062 164.3)
- #6D465C
#6D465C
oklch(44.6% 0.062 345)
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 #305F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.020
- Pine #2B5D34 ΔE 0.035
- Spruce #0A5F38 ΔE 0.042
- Dark Aqua #05696B ΔE 0.051
- Petrol #005F6A ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.056
- Deep Teal #00555A ΔE 0.056
- Dark Blue Green #005249 ΔE 0.057
Use #305F4B 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.