#4E99EB#4E99EB

#4E99EB is a light, vivid cyan. Relative luminance 0.304; OKLCH L 67.2% C 0.143 H 252.5°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#4E99EB
RGB	rgb(78, 153, 235)
HSL	hsl(211, 80%, 61%)
HSV	hsv(211, 67%, 92%)
CMYK	cmyk(66.8%, 34.9%, 0%, 7.8%)
CIE-LAB	lab(62.00, 2.43, -48.15)
CIE-LCH	lch(62.00, 48.21, 272.89°)
OKLab	oklab(67.23% -0.0431 -0.1367)
OKLCH	oklch(67.23% 0.143 252.5)
XYZ	xyz(29.5230, 30.3973, 82.8925)
Luminance	0.3040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E99EB #EBA04E

analogous

#4EE7EB #4E99EB #524EEB

triadic

#4E99EB #EB4E99 #99EB4E

tetradic

#4E99EB #EB4EE7 #EBA04E #4EEB52

square

#4E99EB #EB4EE7 #EBA04E #4EEB52

split-complementary

#4E99EB #EB524E #E7EB4E

monochromatic

#135CAB #1A79E2 #4E99EB #85B9F1 #BCD8F7

Accessibility & contrast

On white

2.97

#4E99EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#4E99EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4E99EB

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E99EB	#FFFFFF	#000000	##000000
##4E99EB	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#759EEE

Deuteranopia (green-blind)

#5E8FE9

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #4e99eb;
/* rgb */ color: rgb(78, 153, 235);
/* oklch */ color: oklch(67.2% 0.143 252.5);

Tailwind

colors: {
  custom: {
    50: '#8fb6f2',
    500: '#4e99eb',
    950: '#000000',
  },
}

SCSS

$custom: #4e99eb;
$custom-light: #8fb6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e99eb",
  "rgb": {
    "r": 78,
    "g": 153,
    "b": 235
  },
  "hsl": {
    "h": 211.338,
    "s": 79.695,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67228,
    "c": 0.14328,
    "h": 252.5
  },
  "luminance": 0.304
}

Semantic roles & 50–950 ramp

primary

#4E99EB

secondary

#E8CCAD

accent

#7709DC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #4E99EB

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

Preview Lab → · Contrast checker → · Palette generator →