#37594D
Closest named color: Dark Green Blue (#1F6357). oklch(43.4% 0.045 169.9), rgb(55, 89, 77).
Aa
White text reads best on this color (7.78:1).
About this color
#37594D is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.045 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 0.034 away. White text reads best on it, at 7.78:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #37594D |
| RGB | rgb(55, 89, 77) |
| HSL | hsl(159, 24%, 28%) |
| OKLCH | oklch(43.4% 0.045 169.9) |
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 #37594D | 7.78:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #37594D | 2.69:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #37594D text on white | 7.78:1 | AAA | Lc 87.0 | Fine for body text |
| #37594D text on black | 2.69:1 | Fails | Lc -15.1 | 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
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D0DCD7
oklch(88.4% 0.015 169.2)
-
Step 300
300
#B1C6BE
oklch(80.8% 0.025 170.8)
-
Step 400
400
#87A99C
oklch(70.6% 0.042 169.8)
-
Step 500
500
#699484
oklch(63% 0.053 169.5)
-
Step 600
600
#4F7F6E
oklch(55.7% 0.059 169.7)
-
Step 700
700
#406B5C
oklch(49.2% 0.054 169.8)
-
Step 800
800 (this color)
#37594D
oklch(43.4% 0.045 169.9)
-
Step 900
900
#2F483F
oklch(37.8% 0.035 170)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#37594D 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) | #57554C | 0.045 |
| Deuteranopia (no green cones) | #51514E | 0.043 |
| Tritanopia (no blue cones) | #2E5955 | 0.015 |
| Achromatopsia (no color) | #525252 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37594D
#37594D
oklch(43.4% 0.045 169.9)
- #644754
#644754
oklch(43.4% 0.044 350.5)
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 #37594D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.037
- Deep Teal #00555A ΔE 0.047
- Pine #2B5D34 ΔE 0.048
- Dark Blue Green #005249 ΔE 0.049
- Petrol #005F6A ΔE 0.051
- Spruce #0A5F38 ΔE 0.057
- Dark Aqua #05696B ΔE 0.059
Use #37594D 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.