#305649
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42% 0.049 169.9), rgb(48, 86, 73).
Aa
White text reads best on this color (8.22:1).
About this color
#305649 is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.049 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.028 away. White text reads best on it, at 8.22:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.55:1 |
| White text | 8.22:1 |
Values
| HEX | #305649 |
| RGB | rgb(48, 86, 73) |
| HSL | hsl(159, 28%, 26%) |
| OKLCH | oklch(42% 0.049 169.9) |
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 #305649 | 8.22:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #305649 | 2.55:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #305649 text on white | 8.22:1 | AAA | Lc 88.3 | Fine for body text |
| #305649 text on black | 2.55:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD7
oklch(88.5% 0.017 168.4)
-
Step 300
300
#AFC7BE
oklch(80.9% 0.029 171)
-
Step 400
400
#85AA9C
oklch(70.7% 0.045 169.9)
-
Step 500
500
#659584
oklch(63% 0.058 170.3)
-
Step 600
600
#4B806D
oklch(55.7% 0.065 169)
-
Step 700
700
#3C6C5B
oklch(49.2% 0.06 169)
-
Step 800
800 (this color)
#305649
oklch(42% 0.049 169.9)
-
Step 900
900
#2C483E
oklch(37.6% 0.038 169.7)
-
Step 950
950
#1A2A25
oklch(26.9% 0.023 173)
#305649 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) | #545148 | 0.050 |
| Deuteranopia (no green cones) | #4E4D4A | 0.048 |
| Tritanopia (no blue cones) | #245652 | 0.017 |
| Achromatopsia (no color) | #4F4F4F | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305649
#305649
oklch(42% 0.049 169.9)
- #624251
#624251
oklch(42% 0.049 349.8)
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 #305649, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Blue Green #005249 ΔE 0.037
- Deep Teal #00555A ΔE 0.040
- Dark Green Blue #1F6357 ΔE 0.041
- Pine #2B5D34 ΔE 0.046
- Dark Teal #014D4E ΔE 0.049
- Spruce #0A5F38 ΔE 0.053
- Petrol #005F6A ΔE 0.054
Use #305649 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.