#4E91D8#4E91D8

#4E91D8 is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.127 H 251.6°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4E91D8
RGB	rgb(78, 145, 216)
HSL	hsl(211, 64%, 58%)
HSV	hsv(211, 64%, 85%)
CMYK	cmyk(63.9%, 32.9%, 0%, 15.3%)
CIE-LAB	lab(58.81, 0.67, -42.62)
CIE-LCH	lch(58.81, 42.62, 270.91°)
OKLab	oklab(64.43% -0.0401 -0.1206)
OKLCH	oklch(64.43% 0.127 251.6)
XYZ	xyz(25.6574, 26.8259, 68.7782)
Luminance	0.2683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E91D8 #D8954E

analogous

#4ED6D8 #4E91D8 #504ED8

triadic

#4E91D8 #D84E91 #91D84E

tetradic

#4E91D8 #D84ED6 #D8954E #4ED850

square

#4E91D8 #D84ED6 #D8954E #4ED850

split-complementary

#4E91D8 #D8504E #D6D84E

monochromatic

#1F548D #2A72BF #4E91D8 #80B0E3 #B2CFEE

Accessibility & contrast

On white

3.30

#4E91D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#4E91D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91D8

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E91D8	#FFFFFF	#000000	##000000
##4E91D8	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DB

Deuteranopia (green-blind)

#5F88D7

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4e91d8;
/* rgb */ color: rgb(78, 145, 216);
/* oklch */ color: oklch(64.4% 0.127 251.6);

Tailwind

colors: {
  custom: {
    50: '#8cb0e4',
    500: '#4e91d8',
    950: '#000000',
  },
}

SCSS

$custom: #4e91d8;
$custom-light: #8cb0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e91d8",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 216
  },
  "hsl": {
    "h": 210.87,
    "s": 63.889,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64432,
    "c": 0.1271,
    "h": 251.6
  },
  "luminance": 0.26828
}

Semantic roles & 50–950 ramp

primary

#4E91D8

secondary

#DDC2A5

accent

#9641E7

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #4E91D8

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

Preview Lab → · Contrast checker → · Palette generator →