#5FB1E2
Closest named color: Deep Sky Blue (#00BFFF). oklch(72.8% 0.107 237), rgb(95, 177, 226).
Aa
Black text reads best on this color (8.87:1).
About this color
#5FB1E2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.107 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.055 away. Black text reads best on it, at 8.87:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.87:1 |
| White text | 2.36:1 |
Values
| HEX | #5FB1E2 |
| RGB | rgb(95, 177, 226) |
| HSL | hsl(202, 69%, 63%) |
| OKLCH | oklch(72.8% 0.107 237) |
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 #5FB1E2 | 2.36:1 | Fails | Lc -51.4 | Large or bold text, headings |
| Black text on #5FB1E2 | 8.87:1 | AAA | Lc 57.5 | Large or bold text, headings |
| #5FB1E2 text on white | 2.36:1 | Fails | Lc 46.5 | Large or bold text, headings |
| #5FB1E2 text on black | 8.87:1 | AAA | Lc -55.6 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C3DDEF
oklch(88.4% 0.037 238.1)
-
Step 300
300
#98C8E7
oklch(81% 0.067 237)
-
Step 400
400 (this color)
#5FB1E2
oklch(72.8% 0.107 237)
-
Step 500
500
#0394D1
oklch(63.1% 0.137 236.8)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
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
#022A3E
oklch(27% 0.056 236.2)
#5FB1E2 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) | #9AB0E4 | 0.063 |
| Deuteranopia (no green cones) | #88A3E1 | 0.053 |
| Tritanopia (no blue cones) | #00BEC1 | 0.081 |
| Achromatopsia (no color) | #A8A8A8 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FB1E2
#5FB1E2
oklch(72.8% 0.107 237)
- #DA9562
#DA9562
oklch(72.7% 0.107 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 #5FB1E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.055
- Vivid Sky Blue #4CC9F0 ΔE 0.063
- Carolina Blue #8AB8FE ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.069
- Lightblue #7BC8F6 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.074
- Bright Sky Blue #02CCFE ΔE 0.075
Use #5FB1E2 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.