#27ACBB
Closest named color: Turquoise Blue (#06B1C4). oklch(68.3% 0.109 206.6), rgb(39, 172, 187).
Aa
Black text reads best on this color (7.70:1).
About this color
#27ACBB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.109 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.016 away. Black text reads best on it, at 7.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #27ACBB |
| RGB | rgb(39, 172, 187) |
| HSL | hsl(186, 65%, 44%) |
| OKLCH | oklch(68.3% 0.109 206.6) |
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 #27ACBB | 2.72:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #27ACBB | 7.70:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #27ACBB text on white | 2.72:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #27ACBB text on black | 7.70:1 | AAA | Lc -49.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DCEEF0
oklch(93.6% 0.019 204.8)
-
Step 200
200
#BDE1E6
oklch(88.5% 0.038 206.8)
-
Step 300
300
#8BCED7
oklch(81% 0.069 206.5)
-
Step 400
400 (this color)
#27ACBB
oklch(68.3% 0.109 206.6)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#27ACBB 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) | #9DA5BC | 0.106 |
| Deuteranopia (no green cones) | #8996BB | 0.098 |
| Tritanopia (no blue cones) | #00B4B0 | 0.033 |
| Achromatopsia (no color) | #9D9D9D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27ACBB
#27ACBB
oklch(68.3% 0.109 206.6)
- #D47E75
#D47E75
oklch(68.3% 0.108 26.6)
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 #27ACBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.016
- Light Sea Green #20B2AA ΔE 0.036
- Topaz #13BBAF ΔE 0.052
- Cadet Blue #5F9EA0 ΔE 0.053
- Greyblue #77A1B5 ΔE 0.062
- Greeny Blue #42B395 ΔE 0.066
- Dull Teal #5F9E8F ΔE 0.067
- Persian Green #2A9D8F ΔE 0.069
Use #27ACBB 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.