#5BAEEF
Closest named color: Deep Sky Blue (#00BFFF). oklch(72.6% 0.125 244.4), rgb(91, 174, 239).
Aa
Black text reads best on this color (8.74:1).
About this color
#5BAEEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.125 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.051 away. Black text reads best on it, at 8.74:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.74:1 |
| White text | 2.40:1 |
Values
| HEX | #5BAEEF |
| RGB | rgb(91, 174, 239) |
| HSL | hsl(206, 82%, 65%) |
| OKLCH | oklch(72.6% 0.125 244.4) |
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 #5BAEEF | 2.40:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #5BAEEF | 8.74:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #5BAEEF text on white | 2.40:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #5BAEEF text on black | 8.74:1 | AAA | Lc -55.0 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C2DDF4
oklch(88.5% 0.043 244)
-
Step 300
300
#96C7F0
oklch(81% 0.078 244.2)
-
Step 400
400 (this color)
#5BAEEF
oklch(72.6% 0.125 244.4)
-
Step 500
500
#0090E1
oklch(63.1% 0.158 244.7)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#00456F
oklch(37.6% 0.093 244.3)
-
Step 950
950
#012944
oklch(27.1% 0.066 244.1)
#5BAEEF 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) | #91AFF2 | 0.057 |
| Deuteranopia (no green cones) | #7DA1EE | 0.044 |
| Tritanopia (no blue cones) | #00BEC5 | 0.095 |
| Achromatopsia (no color) | #A7A7A7 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BAEEF
#5BAEEF
oklch(72.6% 0.125 244.4)
- #DC944A
#DC944A
oklch(72.5% 0.125 64.2)
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 #5BAEEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.066
- Chefchaouen Blue #4895EF ΔE 0.073
- Vivid Sky Blue #4CC9F0 ΔE 0.074
- Periwinkle Blue #8F99FB ΔE 0.079
- Bright Sky Blue #02CCFE ΔE 0.080
- Lightblue #7BC8F6 ΔE 0.080
Use #5BAEEF 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.