#315E4F
Closest named color: Dark Green Blue (#1F6357). oklch(44.5% 0.056 170), rgb(49, 94, 79).
Aa
White text reads best on this color (7.38:1).
About this color
#315E4F is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.056 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.019 away. White text reads best on it, at 7.38:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #315E4F |
| RGB | rgb(49, 94, 79) |
| HSL | hsl(160, 31%, 28%) |
| OKLCH | oklch(44.5% 0.056 170) |
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 #315E4F | 7.38:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #315E4F | 2.84:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #315E4F text on white | 7.38:1 | AAA | Lc 85.5 | Fine for body text |
| #315E4F text on black | 2.84:1 | Fails | Lc -16.5 | 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
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ADC8BD
oklch(80.9% 0.033 169)
-
Step 400
400
#80AC9C
oklch(70.8% 0.053 170.4)
-
Step 500
500
#5E9783
oklch(63.1% 0.068 169.8)
-
Step 600
600
#43816D
oklch(55.6% 0.072 170.5)
-
Step 700
700
#346D5B
oklch(49% 0.067 170.5)
-
Step 800
800 (this color)
#315E4F
oklch(44.5% 0.056 170)
-
Step 900
900
#28493E
oklch(37.6% 0.044 170.5)
-
Step 950
950
#182B24
oklch(27% 0.028 168.9)
#315E4F 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) | #5C594E | 0.058 |
| Deuteranopia (no green cones) | #555450 | 0.055 |
| Tritanopia (no blue cones) | #225F5A | 0.019 |
| Achromatopsia (no color) | #565656 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #315E4F
#315E4F
oklch(44.5% 0.056 170)
- #6C4758
#6C4758
oklch(44.5% 0.056 350.5)
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 #315E4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.019
- Pine #2B5D34 ΔE 0.042
- Petrol #005F6A ΔE 0.048
- Dark Aqua #05696B ΔE 0.048
- Spruce #0A5F38 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.050
- Deep Teal #00555A ΔE 0.051
- Dark Blue Green #005249 ΔE 0.055
Use #315E4F 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.