#5BB7C4
Closest named color: Turquoise Blue (#06B1C4). oklch(72.8% 0.089 207.6), rgb(91, 183, 196).
Aa
Black text reads best on this color (9.01:1).
About this color
#5BB7C4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.089 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.044 away. Black text reads best on it, at 9.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 9.01:1 |
| White text | 2.32:1 |
Values
| HEX | #5BB7C4 |
| RGB | rgb(91, 183, 196) |
| HSL | hsl(187, 47%, 56%) |
| OKLCH | oklch(72.8% 0.089 207.6) |
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 #5BB7C4 | 2.32:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #5BB7C4 | 9.01:1 | AAA | Lc 58.2 | Large or bold text, headings |
| #5BB7C4 text on white | 2.32:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #5BB7C4 text on black | 9.01:1 | AAA | Lc -56.3 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDEF
oklch(93.6% 0.016 206.4)
-
Step 200
200
#C3DFE4
oklch(88.5% 0.03 209.6)
-
Step 300
300
#97CBD3
oklch(80.9% 0.055 207.9)
-
Step 400
400 (this color)
#5BB7C4
oklch(72.8% 0.089 207.6)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#5BB7C4 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) | #AAB1C5 | 0.087 |
| Deuteranopia (no green cones) | #99A5C4 | 0.078 |
| Tritanopia (no blue cones) | #00BEBB | 0.044 |
| Achromatopsia (no color) | #AAAAAA | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB7C4
#5BB7C4
oklch(72.8% 0.089 207.6)
- #DA9288
#DA9288
oklch(72.9% 0.089 28.1)
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 #5BB7C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.044
- Topaz #13BBAF ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.055
- Greyblue #77A1B5 ΔE 0.061
- Bluegrey #85A3B2 ΔE 0.062
- Dark Turquoise #00CED1 ΔE 0.064
- Vivid Sky Blue #4CC9F0 ΔE 0.069
- Cool Steel #97A7B3 ΔE 0.070
Use #5BB7C4 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.