#236D5B
Closest named color: Dark Green Blue (#1F6357). oklch(48.4% 0.078 173.6), rgb(35, 109, 91).
Aa
White text reads best on this color (6.15:1).
About this color
#236D5B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.078 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 6.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.40:1 |
| White text | 6.15:1 |
Values
| HEX | #236D5B |
| RGB | rgb(35, 109, 91) |
| HSL | hsl(165, 51%, 28%) |
| OKLCH | oklch(48.4% 0.078 173.6) |
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 #236D5B | 6.15:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #236D5B | 3.40:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #236D5B text on white | 6.15:1 | AA | Lc 80.5 | Fine for body text |
| #236D5B text on black | 3.40:1 | AA large text | Lc -21.4 | 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 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A9C9BE
oklch(80.9% 0.038 172.5)
-
Step 400
400
#79AD9D
oklch(70.6% 0.06 173.4)
-
Step 500
500
#539985
oklch(63.1% 0.078 173.1)
-
Step 600
600
#34836F
oklch(55.5% 0.084 173.7)
-
Step 700
700 (this color)
#236D5B
oklch(48.4% 0.078 173.6)
-
Step 800
800
#215A4C
oklch(42.6% 0.064 174.2)
-
Step 900
900
#214A3F
oklch(37.6% 0.05 173.7)
-
Step 950
950
#152C25
oklch(27.2% 0.032 172.2)
#236D5B 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) | #69665A | 0.081 |
| Deuteranopia (no green cones) | #5F5E5C | 0.078 |
| Tritanopia (no blue cones) | #006E68 | 0.022 |
| Achromatopsia (no color) | #616161 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #236D5B
#236D5B
oklch(48.4% 0.078 173.6)
- #814B62
#814B62
oklch(48.3% 0.079 353.4)
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 #236D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Dark Aquamarine #017371 ΔE 0.034
- Dark Aqua #05696B ΔE 0.034
- Deep Turquoise #017374 ΔE 0.038
- Bluegreen #017A79 ΔE 0.051
- Deep Aqua #08787F ΔE 0.056
- Petrol #005F6A ΔE 0.061
- Pine #2B5D34 ΔE 0.064
Use #236D5B 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.