#488FE8
Closest named color: Dark Sky Blue (#448EE4). oklch(64.6% 0.152 255.3), rgb(72, 143, 232).
Aa
Black text reads best on this color (6.36:1).
About this color
#488FE8 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.152 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.007 away. Black text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #488FE8 |
| RGB | rgb(72, 143, 232) |
| HSL | hsl(213, 78%, 60%) |
| OKLCH | oklch(64.6% 0.152 255.3) |
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 #488FE8 | 3.29:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #488FE8 | 6.36:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #488FE8 text on white | 3.29:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #488FE8 text on black | 6.36:1 | AA | Lc -41.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A1C3F0
oklch(80.8% 0.074 255.6)
-
Step 400
400
#6DA3E9
oklch(70.7% 0.118 255.4)
-
Step 500
500 (this color)
#488FE8
oklch(64.6% 0.152 255.3)
-
Step 600
600
#2072D1
oklch(55.6% 0.165 255.4)
-
Step 700
700
#115FB5
oklch(49.1% 0.154 255.4)
-
Step 800
800
#134E92
oklch(42.7% 0.126 255.3)
-
Step 900
900
#184275
oklch(37.9% 0.099 255.2)
-
Step 950
950
#0F2744
oklch(27% 0.062 254.6)
#488FE8 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) | #6696EC | 0.037 |
| Deuteranopia (no green cones) | #4E87E6 | 0.021 |
| Tritanopia (no blue cones) | #00A4B0 | 0.120 |
| Achromatopsia (no color) | #8E8E8E | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488FE8
#488FE8
oklch(64.6% 0.152 255.3)
- #BD8000
#BD8000
oklch(64.6% 0.136 75.4)
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 #488FE8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.007
- Chefchaouen Blue #4895EF ΔE 0.018
- Soft Blue #6488EA ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.034
- Dodger Blue #1E90FF ΔE 0.039
- Water Blue #0E87CC ΔE 0.059
- Cornflower #6A79F7 ΔE 0.069
- Faded Blue #658CBB ΔE 0.070
Use #488FE8 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.