#488ED8
Closest named color: Dark Sky Blue (#448EE4). oklch(63.5% 0.132 251.8), rgb(72, 142, 216).
Aa
Black text reads best on this color (6.13:1).
About this color
#488ED8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.132 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.018 away. Black text reads best on it, at 6.13:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #488ED8 |
| RGB | rgb(72, 142, 216) |
| HSL | hsl(211, 65%, 56%) |
| OKLCH | oklch(63.5% 0.132 251.8) |
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 #488ED8 | 3.42:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #488ED8 | 6.13:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #488ED8 text on white | 3.42:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #488ED8 text on black | 6.13:1 | AA | Lc -40.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A3C4EA
oklch(80.9% 0.065 252.2)
-
Step 400
400
#6FA5DF
oklch(70.8% 0.103 251.1)
-
Step 500
500 (this color)
#488ED8
oklch(63.5% 0.132 251.8)
-
Step 600
600
#2475C4
oklch(55.5% 0.144 251.8)
-
Step 700
700
#1662A9
oklch(49.1% 0.133 251.8)
-
Step 800
800
#165089
oklch(42.6% 0.111 252)
-
Step 900
900
#1A436E
oklch(37.7% 0.087 252.1)
-
Step 950
950
#102840
oklch(27.1% 0.054 250.5)
#488ED8 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) | #6D92DB | 0.041 |
| Deuteranopia (no green cones) | #5984D7 | 0.029 |
| Tritanopia (no blue cones) | #009FA9 | 0.103 |
| Achromatopsia (no color) | #8B8B8B | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488ED8
#488ED8
oklch(63.5% 0.132 251.8)
- #BB7B10
#BB7B10
oklch(63.4% 0.132 71.9)
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 #488ED8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.018
- Chefchaouen Blue #4895EF ΔE 0.036
- Water Blue #0E87CC ΔE 0.043
- Soft Blue #6488EA ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.046
- Faded Blue #658CBB ΔE 0.049
- Cool Blue #4984B8 ΔE 0.051
- Steel Blue #4682B4 ΔE 0.059
Use #488ED8 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.