#4091E2#4091E2

#4091E2 is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.5% C 0.145 H 251.1°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4091E2
RGB	rgb(64, 145, 226)
HSL	hsl(210, 74%, 57%)
HSV	hsv(210, 72%, 89%)
CMYK	cmyk(71.7%, 35.8%, 0%, 11.4%)
CIE-LAB	lab(58.82, 1.94, -48.22)
CIE-LCH	lch(58.82, 48.26, 272.30°)
OKLab	oklab(64.46% -0.0469 -0.1372)
OKLCH	oklch(64.46% 0.145 251.1)
XYZ	xyz(25.9621, 26.8289, 75.7470)
Luminance	0.2683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091E2 #E29140

analogous

#40E2E2 #4091E2 #4040E2

triadic

#4091E2 #E24091 #91E240

tetradic

#4091E2 #E240E2 #E29140 #40E240

square

#4091E2 #E240E2 #E29140 #40E240

split-complementary

#4091E2 #E24040 #E2E240

monochromatic

#165492 #1E72C7 #4091E2 #75B0EA #AACEF2

Accessibility & contrast

On white

3.30

#4091E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#4091E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091E2

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091E2	#FFFFFF	#000000	##000000
##4091E2	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)

#6C96E5

Deuteranopia (green-blind)

#5487E0

Tritanopia (blue-blind)

#00A4AF

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4091e2;
/* rgb */ color: rgb(64, 145, 226);
/* oklch */ color: oklch(64.5% 0.145 251.1);

Tailwind

colors: {
  custom: {
    50: '#88b0eb',
    500: '#4091e2',
    950: '#000000',
  },
}

SCSS

$custom: #4091e2;
$custom-light: #88b0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4091e2",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 226
  },
  "hsl": {
    "h": 210,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.64459,
    "c": 0.14497,
    "h": 251.1
  },
  "luminance": 0.26832
}

Semantic roles & 50–950 ramp

primary

#4091E2

secondary

#E0BF9E

accent

#9438F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4091E2

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

Preview Lab → · Contrast checker → · Palette generator →