#24B8FF
Closest named color: Deep Sky Blue (#00BFFF). oklch(74.2% 0.153 236.7), rgb(36, 184, 255).
Aa
Black text reads best on this color (9.37:1).
About this color
#24B8FF is a medium-light, vivid blue. In OKLCH its lightness is 74%, its chroma 0.153 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.019 away. Black text reads best on it, at 9.37:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.37:1 |
| White text | 2.23:1 |
Values
| HEX | #24B8FF |
| RGB | rgb(36, 184, 255) |
| HSL | hsl(199, 100%, 57%) |
| OKLCH | oklch(74.2% 0.153 236.7) |
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 #24B8FF | 2.23:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #24B8FF | 9.37:1 | AAA | Lc 60.4 | Content text, not long reading |
| #24B8FF text on white | 2.23:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #24B8FF text on black | 9.37:1 | AAA | Lc -58.6 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#D9EDFA
oklch(93.5% 0.028 236.2)
-
Step 200
200
#B9DFF8
oklch(88.5% 0.053 237)
-
Step 300
300
#82CAF7
oklch(80.8% 0.096 237.1)
-
Step 400
400 (this color)
#24B8FF
oklch(74.2% 0.153 236.7)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
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
#002A3F
oklch(27% 0.059 236.5)
#24B8FF 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) | #95B8FF | 0.086 |
| Deuteranopia (no green cones) | #79A5FE | 0.070 |
| Tritanopia (no blue cones) | #00CAD1 | 0.096 |
| Achromatopsia (no color) | #ADADAD | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24B8FF
#24B8FF
oklch(74.2% 0.153 236.7)
- #F38F3B
#F38F3B
oklch(74.2% 0.154 56.7)
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 #24B8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.019
- Bright Sky Blue #02CCFE ΔE 0.055
- Vivid Sky Blue #4CC9F0 ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.074
- Lightblue #7BC8F6 ΔE 0.079
- Sky #82CAFC ΔE 0.086
- Turquoise Blue #06B1C4 ΔE 0.088
- Chefchaouen Blue #4895EF ΔE 0.091
Use #24B8FF 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.