#5FB5FE
Closest named color: Deep Sky Blue (#00BFFF). oklch(75% 0.135 246.5), rgb(95, 181, 254).
Aa
Black text reads best on this color (9.52:1).
About this color
#5FB5FE is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.135 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.042 away. Black text reads best on it, at 9.52:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.52:1 |
| White text | 2.20:1 |
Values
| HEX | #5FB5FE |
| RGB | rgb(95, 181, 254) |
| HSL | hsl(208, 99%, 68%) |
| OKLCH | oklch(75% 0.135 246.5) |
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 #5FB5FE | 2.20:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #5FB5FE | 9.52:1 | AAA | Lc 60.8 | Content text, not long reading |
| #5FB5FE text on white | 2.20:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #5FB5FE text on black | 9.52:1 | AAA | Lc -59.0 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DDECFA
oklch(93.6% 0.025 246.2)
-
Step 200
200
#C1DDF7
oklch(88.5% 0.047 246.4)
-
Step 300
300
#94C6F4
oklch(80.8% 0.084 246.8)
-
Step 400
400 (this color)
#5FB5FE
oklch(75% 0.135 246.5)
-
Step 500
500
#008FE6
oklch(63.1% 0.164 246.6)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#004472
oklch(37.6% 0.099 246.8)
-
Step 950
950
#002846
oklch(26.9% 0.07 246.6)
#5FB5FE 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) | #95B7FF | 0.056 |
| Deuteranopia (no green cones) | #7FA8FD | 0.042 |
| Tritanopia (no blue cones) | #00C6CF | 0.103 |
| Achromatopsia (no color) | #AFAFAF | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FB5FE
#5FB5FE
oklch(75% 0.135 246.5)
- #E79B45
#E79B45
oklch(75% 0.135 66.2)
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 #5FB5FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.044
- Vivid Sky Blue #4CC9F0 ΔE 0.064
- Lightblue #7BC8F6 ΔE 0.064
- Bright Sky Blue #02CCFE ΔE 0.067
- Sky #82CAFC ΔE 0.070
- Pastel Blue #A2BFFE ΔE 0.078
- Periwinkle Blue #8F99FB ΔE 0.082
Use #5FB5FE 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.