#5BACE2
Closest named color: Deep Sky Blue (#00BFFF). oklch(71.5% 0.112 240.1), rgb(91, 172, 226).
Aa
Black text reads best on this color (8.44:1).
About this color
#5BACE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.112 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.061 away. Black text reads best on it, at 8.44:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.44:1 |
| White text | 2.48:1 |
Values
| HEX | #5BACE2 |
| RGB | rgb(91, 172, 226) |
| HSL | hsl(204, 70%, 62%) |
| OKLCH | oklch(71.5% 0.112 240.1) |
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 #5BACE2 | 2.48:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #5BACE2 | 8.44:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #5BACE2 text on white | 2.48:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #5BACE2 text on black | 8.44:1 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C3DDF1
oklch(88.5% 0.039 241.1)
-
Step 300
300
#98C7EA
oklch(80.9% 0.07 240.9)
-
Step 400
400 (this color)
#5BACE2
oklch(71.5% 0.112 240.1)
-
Step 500
500
#0793D6
oklch(63.2% 0.142 239.6)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#022940
oklch(26.8% 0.06 240.5)
#5BACE2 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) | #94ACE5 | 0.061 |
| Deuteranopia (no green cones) | #819EE1 | 0.050 |
| Tritanopia (no blue cones) | #00B9BE | 0.084 |
| Achromatopsia (no color) | #A4A4A4 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BACE2
#5BACE2
oklch(71.5% 0.112 240.1)
- #D69257
#D69257
oklch(71.6% 0.112 60.5)
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 #5BACE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.066
- Greyblue #77A1B5 ΔE 0.067
- Cornflower Blue #6495ED ΔE 0.068
- Carolina Blue #8AB8FE ΔE 0.072
- Chefchaouen Blue #4895EF ΔE 0.074
- Bluegrey #85A3B2 ΔE 0.075
- Vivid Sky Blue #4CC9F0 ΔE 0.077
Use #5BACE2 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.