#305145
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.5% 0.044 169), rgb(48, 81, 69).
Aa
White text reads best on this color (8.79:1).
About this color
#305145 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.044 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.020 away. White text reads best on it, at 8.79:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #305145 |
| RGB | rgb(48, 81, 69) |
| HSL | hsl(158, 26%, 25%) |
| OKLCH | oklch(40.5% 0.044 169) |
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 #305145 | 8.79:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #305145 | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #305145 text on white | 8.79:1 | AAA | Lc 90.0 | Preferred for body text |
| #305145 text on black | 2.38:1 | Fails | Lc -12.2 | 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 800.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B1C6BE
oklch(80.8% 0.025 170.8)
-
Step 400
400
#88A99C
oklch(70.6% 0.041 169.2)
-
Step 500
500
#6A9484
oklch(63.1% 0.052 169.1)
-
Step 600
600
#507E6D
oklch(55.5% 0.057 168.9)
-
Step 700
700
#416B5B
oklch(49.2% 0.054 168)
-
Step 800
800 (this color)
#305145
oklch(40.5% 0.044 169)
-
Step 900
900
#2F483E
oklch(37.8% 0.035 167.6)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#305145 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) | #4F4D44 | 0.044 |
| Deuteranopia (no green cones) | #4A4946 | 0.043 |
| Tritanopia (no blue cones) | #27514D | 0.015 |
| Achromatopsia (no color) | #4B4B4B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305145
#305145
oklch(40.5% 0.044 169)
- #5C3F4D
#5C3F4D
oklch(40.5% 0.046 348.8)
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 #305145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.020
- Dark Blue Green #005249 ΔE 0.032
- Deep Teal #00555A ΔE 0.040
- Dark Teal #014D4E ΔE 0.041
- Charcoal #264653 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.052
- Pine #2B5D34 ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.056
Use #305145 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.