#236E7B
Closest named color: Deep Turquoise (#017374). oklch(49.9% 0.074 211.4), rgb(35, 110, 123).
Aa
White text reads best on this color (5.85:1).
About this color
#236E7B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.074 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.025 away. White text reads best on it, at 5.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #236E7B |
| RGB | rgb(35, 110, 123) |
| HSL | hsl(189, 56%, 31%) |
| OKLCH | oklch(49.9% 0.074 211.4) |
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 #236E7B | 5.85:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #236E7B | 3.58:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #236E7B text on white | 5.85:1 | AA | Lc 79.0 | Fine for body text |
| #236E7B text on black | 3.58:1 | AA large text | Lc -22.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE1
oklch(88.5% 0.02 212.6)
-
Step 300
300
#A7C7CE
oklch(80.8% 0.036 212.4)
-
Step 400
400
#76ABB5
oklch(70.8% 0.058 210.6)
-
Step 500
500
#4F96A3
oklch(63.2% 0.074 210.8)
-
Step 600
600
#2F808E
oklch(55.7% 0.08 211)
-
Step 700
700 (this color)
#236E7B
oklch(49.9% 0.074 211.4)
-
Step 800
800
#1D5862
oklch(42.7% 0.062 210.8)
-
Step 900
900
#1F4850
oklch(37.6% 0.048 212.1)
-
Step 950
950
#132A2F
oklch(26.9% 0.03 213.4)
#236E7B 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) | #646A7C | 0.070 |
| Deuteranopia (no green cones) | #57617B | 0.062 |
| Tritanopia (no blue cones) | #007472 | 0.030 |
| Achromatopsia (no color) | #656565 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #236E7B
#236E7B
oklch(49.9% 0.074 211.4)
- #885248
#885248
oklch(49.8% 0.075 31.2)
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 #236E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.025
- Dark Aquamarine #017371 ΔE 0.029
- Deep Aqua #08787F ΔE 0.030
- Dark Aqua #05696B ΔE 0.032
- Bluegreen #017A79 ΔE 0.039
- Sea Blue #047495 ΔE 0.041
- Ocean #017B92 ΔE 0.045
- Slate #516572 ΔE 0.047
Use #236E7B 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.