#4C88E9#4C88E9

#4C88E9 is a light, vivid blue. Relative luminance 0.250; OKLCH L 63.4% C 0.159 H 259.6°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4C88E9
RGB	rgb(76, 136, 233)
HSL	hsl(217, 78%, 61%)
HSV	hsv(217, 67%, 91%)
CMYK	cmyk(67.4%, 41.6%, 0%, 8.6%)
CIE-LAB	lab(57.10, 11.50, -54.82)
CIE-LCH	lch(57.10, 56.01, 281.85°)
OKLab	oklab(63.36% -0.0288 -0.1565)
OKLCH	oklch(63.36% 0.159 259.6)
XYZ	xyz(26.4874, 25.0253, 80.5095)
Luminance	0.2503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C88E9 #E9AD4C

analogous

#4CD6E9 #4C88E9 #5E4CE9

triadic

#4C88E9 #E94C88 #88E94C

tetradic

#4C88E9 #E94CD6 #E9AD4C #4CE95E

square

#4C88E9 #E94CD6 #E9AD4C #4CE95E

split-complementary

#4C88E9 #E95E4C #D6E94C

monochromatic

#144CA6 #1B65DD #4C88E9 #83ACF0 #B9D0F6

Accessibility & contrast

On white

3.50

#4C88E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#4C88E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C88E9

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C88E9	#FFFFFF	#000000	##000000
##4C88E9	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A91ED

Deuteranopia (green-blind)

#4182E7

Tritanopia (blue-blind)

#009EAD

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4c88e9;
/* rgb */ color: rgb(76, 136, 233);
/* oklch */ color: oklch(63.4% 0.159 259.6);

Tailwind

colors: {
  custom: {
    50: '#8eaaf0',
    500: '#4c88e9',
    950: '#000000',
  },
}

SCSS

$custom: #4c88e9;
$custom-light: #8eaaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c88e9",
  "rgb": {
    "r": 76,
    "g": 136,
    "b": 233
  },
  "hsl": {
    "h": 217.07,
    "s": 78.109,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63363,
    "c": 0.1591,
    "h": 259.6
  },
  "luminance": 0.25028
}

Semantic roles & 50–950 ramp

primary

#4C88E9

secondary

#E6CFAB

accent

#8B0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4C88E9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →