#236E5A
Closest named color: Dark Aquamarine (#017371). oklch(48.7% 0.08 171.8), rgb(35, 110, 90).
Aa
White text reads best on this color (6.08:1).
About this color
#236E5A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.080 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.034 away. White text reads best on it, at 6.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.44:1 |
| White text | 6.08:1 |
Values
| HEX | #236E5A |
| RGB | rgb(35, 110, 90) |
| HSL | hsl(164, 52%, 28%) |
| OKLCH | oklch(48.7% 0.08 171.8) |
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 #236E5A | 6.08:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #236E5A | 3.44:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #236E5A text on white | 6.08:1 | AA | Lc 80.1 | Fine for body text |
| #236E5A text on black | 3.44:1 | AA large text | Lc -21.7 | 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
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A8C9BE
oklch(80.8% 0.039 173.1)
-
Step 400
400
#78AE9C
oklch(70.8% 0.063 171.6)
-
Step 500
500
#539984
oklch(63.1% 0.078 172.2)
-
Step 600
600
#33846D
oklch(55.7% 0.087 171.3)
-
Step 700
700 (this color)
#236E5A
oklch(48.7% 0.08 171.8)
-
Step 800
800
#215B4B
oklch(42.8% 0.066 171.9)
-
Step 900
900
#214B3E
oklch(37.8% 0.053 170.8)
-
Step 950
950
#142C24
oklch(27.1% 0.034 170)
#236E5A 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) | #6B6759 | 0.083 |
| Deuteranopia (no green cones) | #605F5B | 0.079 |
| Tritanopia (no blue cones) | #006F68 | 0.023 |
| Achromatopsia (no color) | #626262 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #236E5A
#236E5A
oklch(48.7% 0.08 171.8)
- #824C64
#824C64
oklch(48.7% 0.079 352.3)
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 #236E5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.034
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Aqua #05696B ΔE 0.038
- Deep Turquoise #017374 ΔE 0.039
- Bluegreen #017A79 ΔE 0.051
- Deep Aqua #08787F ΔE 0.057
- Pine #2B5D34 ΔE 0.065
- Petrol #005F6A ΔE 0.065
Use #236E5A 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.