#4191E1#4191E1

#4191E1 is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.143 H 251.0°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4191E1
RGB	rgb(65, 145, 225)
HSL	hsl(210, 73%, 57%)
HSV	hsv(210, 71%, 88%)
CMYK	cmyk(71.1%, 35.6%, 0%, 11.8%)
CIE-LAB	lab(58.80, 1.72, -47.69)
CIE-LCH	lch(58.80, 47.73, 272.07°)
OKLab	oklab(64.44% -0.0466 -0.1356)
OKLCH	oklch(64.44% 0.143 251)
XYZ	xyz(25.8909, 26.8080, 75.0295)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4191E1 #E19141

analogous

#41E1E1 #4191E1 #4141E1

triadic

#4191E1 #E14191 #91E141

tetradic

#4191E1 #E141E1 #E19141 #41E141

square

#4191E1 #E141E1 #E19141 #41E141

split-complementary

#4191E1 #E14141 #E1E141

monochromatic

#175491 #1F72C6 #4191E1 #76B0E9 #ABCEF2

Accessibility & contrast

On white

3.30

#4191E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#4191E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4191E1

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4191E1	#FFFFFF	#000000	##000000
##4191E1	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D96E4

Deuteranopia (green-blind)

#5587DF

Tritanopia (blue-blind)

#00A4AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4191e1;
/* rgb */ color: rgb(65, 145, 225);
/* oklch */ color: oklch(64.4% 0.143 251.0);

Tailwind

colors: {
  custom: {
    50: '#88b0eb',
    500: '#4191e1',
    950: '#000000',
  },
}

SCSS

$custom: #4191e1;
$custom-light: #88b0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4191e1",
  "rgb": {
    "r": 65,
    "g": 145,
    "b": 225
  },
  "hsl": {
    "h": 210,
    "s": 72.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.64436,
    "c": 0.14337,
    "h": 251
  },
  "luminance": 0.26811
}

Semantic roles & 50–950 ramp

primary

#4191E1

secondary

#E0BF9E

accent

#9438EF

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4191E1

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

Preview Lab → · Contrast checker → · Palette generator →