#4B88EC#4B88EC

#4B88EC is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.5% C 0.163 H 259.8°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4B88EC
RGB	rgb(75, 136, 236)
HSL	hsl(217, 81%, 61%)
HSV	hsv(217, 68%, 93%)
CMYK	cmyk(68.2%, 42.4%, 0%, 7.5%)
CIE-LAB	lab(57.23, 12.40, -56.28)
CIE-LCH	lch(57.23, 57.63, 282.42°)
OKLab	oklab(63.51% -0.029 -0.1608)
OKLCH	oklch(63.51% 0.163 259.8)
XYZ	xyz(26.8407, 25.1575, 82.7820)
Luminance	0.2516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B88EC #ECAF4B

analogous

#4BD9EC #4B88EC #5E4BEC

triadic

#4B88EC #EC4B88 #88EC4B

tetradic

#4B88EC #EC4BD9 #ECAF4B #4BEC5E

square

#4B88EC #EC4BD9 #ECAF4B #4BEC5E

split-complementary

#4B88EC #EC5E4B #D9EC4B

monochromatic

#124CAB #1864E2 #4B88EC #82ADF2 #BAD1F8

Accessibility & contrast

On white

3.48

#4B88EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4B88EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B88EC

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B88EC	#FFFFFF	#000000	##000000
##4B88EC	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5891F0

Deuteranopia (green-blind)

#3D82EA

Tritanopia (blue-blind)

#009FAE

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4b88ec;
/* rgb */ color: rgb(75, 136, 236);
/* oklch */ color: oklch(63.5% 0.163 259.8);

Tailwind

colors: {
  custom: {
    50: '#8eaaf3',
    500: '#4b88ec',
    950: '#000000',
  },
}

SCSS

$custom: #4b88ec;
$custom-light: #8eaaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b88ec",
  "rgb": {
    "r": 75,
    "g": 136,
    "b": 236
  },
  "hsl": {
    "h": 217.267,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.63506,
    "c": 0.16337,
    "h": 259.8
  },
  "luminance": 0.2516
}

Semantic roles & 50–950 ramp

primary

#4B88EC

secondary

#E8D1AB

accent

#8D08DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4B88EC

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

Preview Lab → · Contrast checker → · Palette generator →