#305F4E
Closest named color: Dark Green Blue (#1F6357). oklch(44.7% 0.059 168), rgb(48, 95, 78).
Aa
White text reads best on this color (7.31:1).
About this color
#305F4E is a dark, muted green. In OKLCH its lightness is 45%, its chroma 0.059 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.018 away. White text reads best on it, at 7.31:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #305F4E |
| RGB | rgb(48, 95, 78) |
| HSL | hsl(158, 33%, 28%) |
| OKLCH | oklch(44.7% 0.059 168) |
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 #305F4E | 7.31:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #305F4E | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #305F4E text on white | 7.31:1 | AAA | Lc 85.3 | Fine for body text |
| #305F4E text on black | 2.87:1 | Fails | Lc -16.8 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ACC8BC
oklch(80.9% 0.035 167.7)
-
Step 400
400
#7FAC9A
oklch(70.7% 0.055 168.2)
-
Step 500
500
#5D9881
oklch(63.2% 0.071 167.4)
-
Step 600
600
#41826B
oklch(55.7% 0.077 168.2)
-
Step 700
700
#326E59
oklch(49.2% 0.072 168)
-
Step 800
800 (this color)
#305F4E
oklch(44.7% 0.059 168)
-
Step 900
900
#274A3D
oklch(37.8% 0.047 167.9)
-
Step 950
950
#182B24
oklch(27% 0.028 168.9)
#305F4E 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) | #5D594D | 0.060 |
| Deuteranopia (no green cones) | #56544F | 0.058 |
| Tritanopia (no blue cones) | #205F5A | 0.022 |
| Achromatopsia (no color) | #565656 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305F4E
#305F4E
oklch(44.7% 0.059 168)
- #6D475A
#6D475A
oklch(44.7% 0.059 348.3)
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 #305F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.018
- Pine #2B5D34 ΔE 0.039
- Spruce #0A5F38 ΔE 0.046
- Dark Aqua #05696B ΔE 0.048
- Petrol #005F6A ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.054
- Deep Teal #00555A ΔE 0.054
- Dark Blue Green #005249 ΔE 0.057
Use #305F4E 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.