#48ACE4
Closest named color: Deep Sky Blue (#00BFFF). oklch(70.9% 0.123 236.8), rgb(72, 172, 228).
Aa
Black text reads best on this color (8.29:1).
About this color
#48ACE4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.123 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.057 away. Black text reads best on it, at 8.29:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.29:1 |
| White text | 2.53:1 |
Values
| HEX | #48ACE4 |
| RGB | rgb(72, 172, 228) |
| HSL | hsl(202, 74%, 59%) |
| OKLCH | oklch(70.9% 0.123 236.8) |
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 #48ACE4 | 2.53:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #48ACE4 | 8.29:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #48ACE4 text on white | 2.53:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #48ACE4 text on black | 8.29:1 | AAA | Lc -52.6 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DDEDF7
oklch(93.7% 0.022 235)
-
Step 200
200
#BFDEF2
oklch(88.4% 0.043 236.3)
-
Step 300
300
#91C9EC
oklch(81% 0.076 236.4)
-
Step 400
400 (this color)
#48ACE4
oklch(70.9% 0.123 236.8)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
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)
#48ACE4 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) | #91ABE7 | 0.071 |
| Deuteranopia (no green cones) | #7C9CE3 | 0.060 |
| Tritanopia (no blue cones) | #00BABF | 0.081 |
| Achromatopsia (no color) | #A3A3A3 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #48ACE4
#48ACE4
oklch(70.9% 0.123 236.8)
- #DB8C4F
#DB8C4F
oklch(71% 0.123 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 #48ACE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.069
- Greyblue #77A1B5 ΔE 0.074
- Vivid Sky Blue #4CC9F0 ΔE 0.079
- Carolina Blue #8AB8FE ΔE 0.082
- Dark Sky Blue #448EE4 ΔE 0.084
Use #48ACE4 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.