#4E91DB#4E91DB

#4E91DB is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.131 H 252.5°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4E91DB
RGB	rgb(78, 145, 219)
HSL	hsl(211, 66%, 58%)
HSV	hsv(211, 64%, 86%)
CMYK	cmyk(64.4%, 33.8%, 0%, 14.1%)
CIE-LAB	lab(58.96, 1.68, -44.06)
CIE-LCH	lch(58.96, 44.10, 272.19°)
OKLab	oklab(64.59% -0.0393 -0.1248)
OKLCH	oklch(64.59% 0.131 252.5)
XYZ	xyz(26.0488, 26.9824, 70.8394)
Luminance	0.2698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E91DB #DB984E

analogous

#4ED8DB #4E91DB #514EDB

triadic

#4E91DB #DB4E91 #91DB4E

tetradic

#4E91DB #DB4ED8 #DB984E #4EDB51

square

#4E91DB #DB4ED8 #DB984E #4EDB51

split-complementary

#4E91DB #DB514E #D8DB4E

monochromatic

#1E5491 #2872C4 #4E91DB #81B1E5 #B4D0F0

Accessibility & contrast

On white

3.28

#4E91DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#4E91DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91DB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E91DB	#FFFFFF	#000000	##000000
##4E91DB	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DE

Deuteranopia (green-blind)

#5D88DA

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4e91db;
/* rgb */ color: rgb(78, 145, 219);
/* oklch */ color: oklch(64.6% 0.131 252.5);

Tailwind

colors: {
  custom: {
    50: '#8db0e6',
    500: '#4e91db',
    950: '#000000',
  },
}

SCSS

$custom: #4e91db;
$custom-light: #8db0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4e91db",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 211.489,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.64593,
    "c": 0.13087,
    "h": 252.5
  },
  "luminance": 0.26985
}

Semantic roles & 50–950 ramp

primary

#4E91DB

secondary

#DEC4A6

accent

#983FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4E91DB

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

Preview Lab → · Contrast checker → · Palette generator →