#488CE2
Closest named color: Dark Sky Blue (#448EE4). oklch(63.6% 0.147 255.4), rgb(72, 140, 226).
Aa
Black text reads best on this color (6.12:1).
About this color
#488CE2 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.147 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.006 away. Black text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.12:1 |
| White text | 3.42:1 |
Values
| HEX | #488CE2 |
| RGB | rgb(72, 140, 226) |
| HSL | hsl(214, 73%, 58%) |
| OKLCH | oklch(63.6% 0.147 255.4) |
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 #488CE2 | 3.42:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #488CE2 | 6.12:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #488CE2 text on white | 3.42:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #488CE2 text on black | 6.12:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A2C3EF
oklch(80.8% 0.072 255.7)
-
Step 400
400
#6FA3E7
oklch(70.7% 0.115 255.5)
-
Step 500
500 (this color)
#488CE2
oklch(63.6% 0.147 255.4)
-
Step 600
600
#2572CE
oklch(55.5% 0.16 255.6)
-
Step 700
700
#175FB2
oklch(49% 0.149 255.5)
-
Step 800
800
#164E90
oklch(42.6% 0.123 255.4)
-
Step 900
900
#1A4273
oklch(37.8% 0.095 255.2)
-
Step 950
950
#102743
oklch(27% 0.06 254.6)
#488CE2 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) | #6592E5 | 0.035 |
| Deuteranopia (no green cones) | #4E84E0 | 0.021 |
| Tritanopia (no blue cones) | #00A0AC | 0.116 |
| Achromatopsia (no color) | #8B8B8B | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488CE2
#488CE2
oklch(63.6% 0.147 255.4)
- #B97D00
#B97D00
oklch(63.5% 0.134 75.3)
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 #488CE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.006
- Chefchaouen Blue #4895EF ΔE 0.028
- Soft Blue #6488EA ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.046
- Water Blue #0E87CC ΔE 0.050
- Cool Blue #4984B8 ΔE 0.064
- Faded Blue #658CBB ΔE 0.064
Use #488CE2 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.