#4D91EB#4D91EB

#4D91EB is a light, vivid cyan. Relative luminance 0.278; OKLCH L 65.4% C 0.152 H 256.2°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4D91EB
RGB	rgb(77, 145, 235)
HSL	hsl(214, 80%, 61%)
HSV	hsv(214, 67%, 92%)
CMYK	cmyk(67.2%, 38.3%, 0%, 7.8%)
CIE-LAB	lab(59.73, 6.97, -51.74)
CIE-LCH	lch(59.73, 52.21, 277.67°)
OKLab	oklab(65.45% -0.0361 -0.1473)
OKLCH	oklch(65.45% 0.152 256.2)
XYZ	xyz(28.1759, 27.8238, 82.4668)
Luminance	0.2783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D91EB #EBA74D

analogous

#4DE0EB #4D91EB #584DEB

triadic

#4D91EB #EB4D91 #91EB4D

tetradic

#4D91EB #EB4DE0 #EBA74D #4DEB58

square

#4D91EB #EB4DE0 #EBA74D #4DEB58

split-complementary

#4D91EB #EB584D #E0EB4D

monochromatic

#1354AA #196FE1 #4D91EB #84B3F1 #BBD5F7

Accessibility & contrast

On white

3.20

#4D91EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#4D91EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D91EB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D91EB	#FFFFFF	#000000	##000000
##4D91EB	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6898EF

Deuteranopia (green-blind)

#5189E9

Tritanopia (blue-blind)

#00A6B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4d91eb;
/* rgb */ color: rgb(77, 145, 235);
/* oklch */ color: oklch(65.4% 0.152 256.2);

Tailwind

colors: {
  custom: {
    50: '#8fb0f2',
    500: '#4d91eb',
    950: '#000000',
  },
}

SCSS

$custom: #4d91eb;
$custom-light: #8fb0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d91eb",
  "rgb": {
    "r": 77,
    "g": 145,
    "b": 235
  },
  "hsl": {
    "h": 214.177,
    "s": 79.798,
    "l": 61.176
  },
  "oklch": {
    "l": 0.65449,
    "c": 0.15165,
    "h": 256.2
  },
  "luminance": 0.27827
}

Semantic roles & 50–950 ramp

primary

#4D91EB

secondary

#E8CEAC

accent

#8109DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4D91EB

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

Preview Lab → · Contrast checker → · Palette generator →