#37594F
Closest named color: Dark Green Blue (#1F6357). oklch(43.5% 0.043 173.7), rgb(55, 89, 79).
Aa
White text reads best on this color (7.76:1).
About this color
#37594F is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.043 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.034 away. White text reads best on it, at 7.76:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #37594F |
| RGB | rgb(55, 89, 79) |
| HSL | hsl(162, 24%, 28%) |
| OKLCH | oklch(43.5% 0.043 173.7) |
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 #37594F | 7.76:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #37594F | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #37594F text on white | 7.76:1 | AAA | Lc 86.9 | Fine for body text |
| #37594F text on black | 2.70:1 | Fails | Lc -15.2 | 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
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B1C6BF
oklch(80.9% 0.025 173.7)
-
Step 400
400
#87A99E
oklch(70.6% 0.041 173.4)
-
Step 500
500
#699487
oklch(63.1% 0.051 173.9)
-
Step 600
600
#4F7E71
oklch(55.5% 0.056 174.8)
-
Step 700
700
#406B5E
oklch(49.2% 0.053 172.8)
-
Step 800
800 (this color)
#37594F
oklch(43.5% 0.043 173.7)
-
Step 900
900
#2E4840
oklch(37.8% 0.035 173.1)
-
Step 950
950
#1B2A26
oklch(27% 0.022 176.2)
#37594F 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) | #57554F | 0.045 |
| Deuteranopia (no green cones) | #515150 | 0.043 |
| Tritanopia (no blue cones) | #2D5A56 | 0.014 |
| Achromatopsia (no color) | #525252 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37594F
#37594F
oklch(43.5% 0.043 173.7)
- #644753
#644753
oklch(43.4% 0.043 352.5)
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 #37594F, 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 0.036
- Deep Teal #00555A ΔE 0.045
- Petrol #005F6A ΔE 0.049
- Dark Blue Green #005249 ΔE 0.050
- Pine #2B5D34 ΔE 0.051
- Dark Aqua #05696B ΔE 0.058
- Spruce #0A5F38 ΔE 0.059
Use #37594F 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.