#5AB5BC
Closest named color: Turquoise Blue (#06B1C4). oklch(72% 0.087 202.1), rgb(90, 181, 188).
Aa
Black text reads best on this color (8.77:1).
About this color
#5AB5BC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.087 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.041 away. Black text reads best on it, at 8.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.77:1 |
| White text | 2.39:1 |
Values
| HEX | #5AB5BC |
| RGB | rgb(90, 181, 188) |
| HSL | hsl(184, 42%, 55%) |
| OKLCH | oklch(72% 0.087 202.1) |
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 #5AB5BC | 2.39:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #5AB5BC | 8.77:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #5AB5BC text on white | 2.39:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #5AB5BC text on black | 8.77:1 | AAA | Lc -55.1 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEDEE
oklch(93.5% 0.016 201.7)
-
Step 200
200
#C3DFE2
oklch(88.4% 0.03 204.5)
-
Step 300
300
#97CCD0
oklch(81% 0.055 202)
-
Step 400
400 (this color)
#5AB5BC
oklch(72% 0.087 202.1)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#5AB5BC 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) | #A9AEBD | 0.088 |
| Deuteranopia (no green cones) | #99A2BC | 0.082 |
| Tritanopia (no blue cones) | #0ABBB7 | 0.039 |
| Achromatopsia (no color) | #A7A7A7 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AB5BC
#5AB5BC
oklch(72% 0.087 202.1)
- #D68F8C
#D68F8C
oklch(72% 0.087 22.1)
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 #5AB5BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.041
- Topaz #13BBAF ΔE 0.045
- Light Sea Green #20B2AA ΔE 0.046
- Greyblue #77A1B5 ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.059
- Greeny Blue #42B395 ΔE 0.062
- Cadet Blue #5F9EA0 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.068
Use #5AB5BC 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.