#4C88EF
Closest named color: Soft Blue (#6488EA). oklch(63.7% 0.167 260.5), rgb(76, 136, 239).
Aa
Black text reads best on this color (6.07:1).
About this color
#4C88EF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.167 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.025 away. Black text reads best on it, at 6.07:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #4C88EF |
| RGB | rgb(76, 136, 239) |
| HSL | hsl(218, 84%, 62%) |
| OKLCH | oklch(63.7% 0.167 260.5) |
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 #4C88EF | 3.45:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #4C88EF | 6.07:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #4C88EF text on white | 3.45:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #4C88EF text on black | 6.07:1 | AA | Lc -39.9 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C8DAF8
oklch(88.4% 0.046 260.7)
-
Step 300
300
#A2C2F6
oklch(80.9% 0.082 260)
-
Step 400
400
#70A0F2
oklch(70.7% 0.132 260.6)
-
Step 500
500 (this color)
#4C88EF
oklch(63.7% 0.167 260.5)
-
Step 600
600
#2D6DDB
oklch(55.6% 0.181 260.5)
-
Step 700
700
#1F5ABE
oklch(49% 0.169 260.4)
-
Step 800
800
#1C4A9A
oklch(42.6% 0.14 260.7)
-
Step 900
900
#1C3F7A
oklch(37.7% 0.109 260.2)
-
Step 950
950
#112548
oklch(26.9% 0.07 260.7)
#4C88EF 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) | #5692F3 | 0.029 |
| Deuteranopia (no green cones) | #3A83ED | 0.022 |
| Tritanopia (no blue cones) | #00A0B0 | 0.134 |
| Achromatopsia (no color) | #8A8A8A | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C88EF
#4C88EF
oklch(63.7% 0.167 260.5)
- #B48100
#B48100
oklch(63.7% 0.132 80.7)
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 #4C88EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.025
- Chefchaouen Blue #4895EF ΔE 0.034
- Dodger Blue #1E90FF ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.045
- Cornflower #6A79F7 ΔE 0.049
- Clear Blue #247AFD ΔE 0.055
- Water Blue #0E87CC ΔE 0.066
Use #4C88EF 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.