#5BAFCB
Closest named color: Turquoise Blue (#06B1C4). oklch(71.2% 0.091 222.2), rgb(91, 175, 203).
Aa
Black text reads best on this color (8.43:1).
About this color
#5BAFCB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.091 and its hue 222°. 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 8.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.43:1 |
| White text | 2.48:1 |
Values
| HEX | #5BAFCB |
| RGB | rgb(91, 175, 203) |
| HSL | hsl(195, 52%, 58%) |
| OKLCH | oklch(71.2% 0.091 222.2) |
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 #5BAFCB | 2.48:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #5BAFCB | 8.43:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #5BAFCB text on white | 2.48:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #5BAFCB text on black | 8.43:1 | AAA | Lc -53.3 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF2
oklch(93.7% 0.016 221.1)
-
Step 200
200
#C4DEE8
oklch(88.5% 0.031 222.9)
-
Step 300
300
#99C9DB
oklch(80.8% 0.056 222.9)
-
Step 400
400 (this color)
#5BAFCB
oklch(71.2% 0.091 222.2)
-
Step 500
500
#0498BC
oklch(63.1% 0.116 222.6)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C86
oklch(49.3% 0.091 222.1)
-
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
#022B37
oklch(26.9% 0.048 222.6)
#5BAFCB 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) | #9FABCD | 0.075 |
| Deuteranopia (no green cones) | #8E9FCB | 0.066 |
| Tritanopia (no blue cones) | #00B8B8 | 0.058 |
| Achromatopsia (no color) | #A4A4A4 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BAFCB
#5BAFCB
oklch(71.2% 0.091 222.2)
- #D38F75
#D38F75
oklch(71.2% 0.091 41.7)
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 #5BAFCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.041
- Greyblue #77A1B5 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.054
- Bluey Grey #89A0B0 ΔE 0.061
- Light Sea Green #20B2AA ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.068
- Cadet Blue #5F9EA0 ΔE 0.068
- Topaz #13BBAF ΔE 0.072
Use #5BAFCB 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.