#27AACE
Closest named color: Turquoise Blue (#06B1C4). oklch(68.7% 0.118 221.7), rgb(39, 170, 206).
Aa
Black text reads best on this color (7.72:1).
About this color
#27AACE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.118 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.029 away. Black text reads best on it, at 7.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #27AACE |
| RGB | rgb(39, 170, 206) |
| HSL | hsl(193, 68%, 48%) |
| OKLCH | oklch(68.7% 0.118 221.7) |
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 #27AACE | 2.71:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #27AACE | 7.72:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #27AACE text on white | 2.71:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #27AACE text on black | 7.72:1 | AAA | Lc -49.7 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEDF4
oklch(93.5% 0.021 223)
-
Step 200
200
#BDE0ED
oklch(88.6% 0.041 222.3)
-
Step 300
300
#8ACCE3
oklch(80.9% 0.074 221.8)
-
Step 400
400 (this color)
#27AACE
oklch(68.7% 0.118 221.7)
-
Step 500
500
#0098BB
oklch(63% 0.116 221.8)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#27AACE 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) | #95A6D0 | 0.095 |
| Deuteranopia (no green cones) | #7F96CE | 0.084 |
| Tritanopia (no blue cones) | #00B5B6 | 0.056 |
| Achromatopsia (no color) | #9D9D9D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27AACE
#27AACE
oklch(68.7% 0.118 221.7)
- #D7805F
#D7805F
oklch(68.6% 0.118 41.3)
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 #27AACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.029
- Greyblue #77A1B5 ΔE 0.064
- Light Sea Green #20B2AA ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.070
- Topaz #13BBAF ΔE 0.078
- Bluegrey #85A3B2 ΔE 0.079
- Deep Sky Blue #00BFFF ΔE 0.081
- Bluey Grey #89A0B0 ΔE 0.085
Use #27AACE 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.