#4B89EB#4B89EB

#4B89EB is a light, vivid blue. Relative luminance 0.254; OKLCH L 63.7% C 0.161 H 259.2°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4B89EB
RGB	rgb(75, 137, 235)
HSL	hsl(217, 80%, 61%)
HSV	hsv(217, 68%, 92%)
CMYK	cmyk(68.1%, 41.7%, 0%, 7.8%)
CIE-LAB	lab(57.45, 11.44, -55.38)
CIE-LCH	lch(57.45, 56.55, 281.68°)
OKLab	oklab(63.66% -0.0301 -0.1581)
OKLCH	oklch(63.66% 0.161 259.2)
XYZ	xyz(26.8373, 25.3826, 82.0661)
Luminance	0.2539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B89EB #EBAD4B

analogous

#4BD9EB #4B89EB #5D4BEB

triadic

#4B89EB #EB4B89 #89EB4B

tetradic

#4B89EB #EB4BD9 #EBAD4B #4BEB5D

square

#4B89EB #EB4BD9 #EBAD4B #4BEB5D

split-complementary

#4B89EB #EB5D4B #D9EB4B

monochromatic

#134DA9 #1966E0 #4B89EB #82ADF1 #B9D1F7

Accessibility & contrast

On white

3.46

#4B89EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#4B89EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B89EB

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B89EB	#FFFFFF	#000000	##000000
##4B89EB	1.00	3.46	6.08	6.08
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B92EF

Deuteranopia (green-blind)

#4083E9

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4b89eb;
/* rgb */ color: rgb(75, 137, 235);
/* oklch */ color: oklch(63.7% 0.161 259.2);

Tailwind

colors: {
  custom: {
    50: '#8eaaf2',
    500: '#4b89eb',
    950: '#000000',
  },
}

SCSS

$custom: #4b89eb;
$custom-light: #8eaaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b89eb",
  "rgb": {
    "r": 75,
    "g": 137,
    "b": 235
  },
  "hsl": {
    "h": 216.75,
    "s": 80,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63656,
    "c": 0.16096,
    "h": 259.2
  },
  "luminance": 0.25385
}

Semantic roles & 50–950 ramp

primary

#4B89EB

secondary

#E7D0AB

accent

#8B09DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4B89EB

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

Preview Lab → · Contrast checker → · Palette generator →