#315E4C
Closest named color: Dark Green Blue (#1F6357). oklch(44.4% 0.059 165.9), rgb(49, 94, 76).
Aa
White text reads best on this color (7.40:1).
About this color
#315E4C is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.059 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.021 away. White text reads best on it, at 7.40:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #315E4C |
| RGB | rgb(49, 94, 76) |
| HSL | hsl(156, 31%, 28%) |
| OKLCH | oklch(44.4% 0.059 165.9) |
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 #315E4C | 7.40:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #315E4C | 2.83:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #315E4C text on white | 7.40:1 | AAA | Lc 85.6 | Fine for body text |
| #315E4C text on black | 2.83:1 | Fails | Lc -16.4 | 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
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ADC8BB
oklch(80.9% 0.034 164.9)
-
Step 400
400
#80AC99
oklch(70.7% 0.055 166.4)
-
Step 500
500
#5F9780
oklch(63.1% 0.069 166.3)
-
Step 600
600
#438269
oklch(55.7% 0.077 165.8)
-
Step 700
700
#346E57
oklch(49.2% 0.072 165.4)
-
Step 800
800 (this color)
#315E4C
oklch(44.4% 0.059 165.9)
-
Step 900
900
#28493C
oklch(37.6% 0.045 166.8)
-
Step 950
950
#182B23
oklch(27% 0.029 165.8)
#315E4C 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) | #5C584B | 0.059 |
| Deuteranopia (no green cones) | #55534D | 0.057 |
| Tritanopia (no blue cones) | #235E59 | 0.023 |
| Achromatopsia (no color) | #555555 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315E4C
#315E4C
oklch(44.4% 0.059 165.9)
- #6B465A
#6B465A
oklch(44.3% 0.058 346.1)
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 #315E4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.021
- Pine #2B5D34 ΔE 0.037
- Spruce #0A5F38 ΔE 0.045
- Dark Aqua #05696B ΔE 0.051
- Petrol #005F6A ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.052
- Deep Teal #00555A ΔE 0.054
- Dark Blue Green #005249 ΔE 0.055
Use #315E4C 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.