#5DAEFF
Closest named color: Deep Sky Blue (#00BFFF). oklch(73.4% 0.143 250.4), rgb(93, 174, 255).
Aa
Black text reads best on this color (8.96:1).
About this color
#5DAEFF is a medium-light, vivid blue. In OKLCH its lightness is 73%, its chroma 0.143 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.054 away. Black text reads best on it, at 8.96:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.96:1 |
| White text | 2.34:1 |
Values
| HEX | #5DAEFF |
| RGB | rgb(93, 174, 255) |
| HSL | hsl(210, 100%, 68%) |
| OKLCH | oklch(73.4% 0.143 250.4) |
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 #5DAEFF | 2.34:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #5DAEFF | 8.96:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #5DAEFF text on white | 2.34:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #5DAEFF text on black | 8.96:1 | AAA | Lc -56.1 | 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
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C1DCF9
oklch(88.4% 0.049 250.3)
-
Step 300
300
#95C5F9
oklch(80.9% 0.09 251)
-
Step 400
400 (this color)
#5DAEFF
oklch(73.4% 0.143 250.4)
-
Step 500
500
#008CF1
oklch(63.1% 0.18 250.4)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0062AC
oklch(49% 0.141 250.5)
-
Step 800
800
#00508E
oklch(42.6% 0.122 250.5)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#012749
oklch(26.9% 0.075 250.4)
#5DAEFF 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) | #8BB2FF | 0.049 |
| Deuteranopia (no green cones) | #75A2FD | 0.036 |
| Tritanopia (no blue cones) | #00C1CB | 0.112 |
| Achromatopsia (no color) | #A9A9A9 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DAEFF
#5DAEFF
oklch(73.4% 0.143 250.4)
- #E19730
#E19730
oklch(73.4% 0.142 70.1)
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 #5DAEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.054
- Carolina Blue #8AB8FE ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.070
- Chefchaouen Blue #4895EF ΔE 0.073
- Vivid Sky Blue #4CC9F0 ΔE 0.082
- Lightblue #7BC8F6 ΔE 0.083
- Bright Sky Blue #02CCFE ΔE 0.084
Use #5DAEFF 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.