#4591E1#4591E1

#4591E1 is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.142 H 251.9°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4591E1
RGB	rgb(69, 145, 225)
HSL	hsl(211, 72%, 58%)
HSV	hsv(211, 69%, 88%)
CMYK	cmyk(69.3%, 35.6%, 0%, 11.8%)
CIE-LAB	lab(58.93, 2.30, -47.48)
CIE-LCH	lch(58.93, 47.53, 272.77°)
OKLab	oklab(64.58% -0.044 -0.1349)
OKLCH	oklch(64.58% 0.142 251.9)
XYZ	xyz(26.1652, 26.9494, 75.0424)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591E1 #E19545

analogous

#45DFE1 #4591E1 #4745E1

triadic

#4591E1 #E14591 #91E145

tetradic

#4591E1 #E145DF #E19545 #45E147

square

#4591E1 #E145DF #E19545 #45E147

split-complementary

#4591E1 #E14745 #DFE145

monochromatic

#185494 #2072C8 #4591E1 #7AB0E9 #AECFF2

Accessibility & contrast

On white

3.29

#4591E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#4591E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591E1

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591E1	#FFFFFF	#000000	##000000
##4591E1	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D96E4

Deuteranopia (green-blind)

#5687DF

Tritanopia (blue-blind)

#00A4AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4591e1;
/* rgb */ color: rgb(69, 145, 225);
/* oklch */ color: oklch(64.6% 0.142 251.9);

Tailwind

colors: {
  custom: {
    50: '#8ab0eb',
    500: '#4591e1',
    950: '#000000',
  },
}

SCSS

$custom: #4591e1;
$custom-light: #8ab0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4591e1",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 225
  },
  "hsl": {
    "h": 210.769,
    "s": 72.222,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64576,
    "c": 0.14192,
    "h": 251.9
  },
  "luminance": 0.26952
}

Semantic roles & 50–950 ramp

primary

#4591E1

secondary

#E0C2A2

accent

#9639EF

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4591E1

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

Preview Lab → · Contrast checker → · Palette generator →