#5BAFE0
Closest named color: Deep Sky Blue (#00BFFF). oklch(72.1% 0.108 236.5), rgb(91, 175, 224).
Aa
Black text reads best on this color (8.65:1).
About this color
#5BAFE0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.108 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.058 away. Black text reads best on it, at 8.65:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #5BAFE0 |
| RGB | rgb(91, 175, 224) |
| HSL | hsl(202, 68%, 62%) |
| OKLCH | oklch(72.1% 0.108 236.5) |
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 #5BAFE0 | 2.42:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #5BAFE0 | 8.65:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #5BAFE0 text on white | 2.42:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #5BAFE0 text on black | 8.65:1 | AAA | Lc -54.4 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C3DEEF
oklch(88.6% 0.037 235.5)
-
Step 300
300
#97C8E7
oklch(80.9% 0.068 236.5)
-
Step 400
400 (this color)
#5BAFE0
oklch(72.1% 0.108 236.5)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#012A3F
oklch(27% 0.058 237)
#5BAFE0 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) | #98AEE2 | 0.065 |
| Deuteranopia (no green cones) | #86A0DF | 0.056 |
| Tritanopia (no blue cones) | #00BCBF | 0.080 |
| Achromatopsia (no color) | #A6A6A6 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BAFE0
#5BAFE0
oklch(72.1% 0.108 236.5)
- #D9935F
#D9935F
oklch(72.2% 0.109 56.6)
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 #5BAFE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.058
- Turquoise Blue #06B1C4 ΔE 0.062
- Greyblue #77A1B5 ΔE 0.066
- Vivid Sky Blue #4CC9F0 ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.073
- Cornflower Blue #6495ED ΔE 0.078
- Bluey Grey #89A0B0 ΔE 0.079
Use #5BAFE0 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.