#239BAB
Closest named color: Sea (#3C9992). oklch(63.4% 0.101 208.7), rgb(35, 155, 171).
Aa
Black text reads best on this color (6.34:1).
About this color
#239BAB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.101 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.037 away. Black text reads best on it, at 6.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.34:1 |
| White text | 3.30:1 |
Values
| HEX | #239BAB |
| RGB | rgb(35, 155, 171) |
| HSL | hsl(187, 66%, 40%) |
| OKLCH | oklch(63.4% 0.101 208.7) |
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 #239BAB | 3.30:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #239BAB | 6.34:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #239BAB text on white | 3.30:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #239BAB text on black | 6.34:1 | AA | Lc -41.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C5DFE3
oklch(88.6% 0.028 207.8)
-
Step 300
300
#9CCAD2
oklch(80.9% 0.049 209.3)
-
Step 400
400
#60AFBB
oklch(70.8% 0.08 208.2)
-
Step 500
500 (this color)
#239BAB
oklch(63.4% 0.101 208.7)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#062C31
oklch(27% 0.042 207.9)
#239BAB 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) | #8C95AC | 0.096 |
| Deuteranopia (no green cones) | #7A88AB | 0.087 |
| Tritanopia (no blue cones) | #00A3A0 | 0.034 |
| Achromatopsia (no color) | #8D8D8D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #239BAB
#239BAB
oklch(63.4% 0.101 208.7)
- #C07267
#C07267
oklch(63.5% 0.101 28.8)
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 #239BAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.037
- Teal Green #0A9396 ΔE 0.037
- Persian Green #2A9D8F ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.046
- Blue Green #0F9B8E ΔE 0.046
- Blue NCS #118AB2 ΔE 0.056
- Dusty Teal #4C9085 ΔE 0.057
- Teal Blue #01889F ΔE 0.058
Use #239BAB 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.