#4591F1#4591F1

#4591F1 is a light, vivid cyan. Relative luminance 0.279; OKLCH L 65.5% C 0.162 H 255.6°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4591F1
RGB	rgb(69, 145, 241)
HSL	hsl(213, 86%, 61%)
HSV	hsv(213, 71%, 95%)
CMYK	cmyk(71.4%, 39.8%, 0%, 5.5%)
CIE-LAB	lab(59.77, 7.89, -55.02)
CIE-LCH	lch(59.77, 55.58, 278.17°)
OKLab	oklab(65.5% -0.0403 -0.157)
OKLCH	oklch(65.5% 0.162 255.6)
XYZ	xyz(28.4510, 27.8638, 87.0808)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591F1 #F1A545

analogous

#45E7F1 #4591F1 #4F45F1

triadic

#4591F1 #F14591 #91F145

tetradic

#4591F1 #F145E7 #F1A545 #45F14F

square

#4591F1 #F145E7 #F1A545 #45F14F

split-complementary

#4591F1 #F14F45 #E7F145

monochromatic

#0D54AE #1170E7 #4591F1 #7EB3F5 #B7D4FA

Accessibility & contrast

On white

3.19

#4591F1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#4591F1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591F1

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591F1	#FFFFFF	#000000	##000000
##4591F1	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6499F5

Deuteranopia (green-blind)

#4889EF

Tritanopia (blue-blind)

#00A7B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4591f1;
/* rgb */ color: rgb(69, 145, 241);
/* oklch */ color: oklch(65.5% 0.162 255.6);

Tailwind

colors: {
  custom: {
    50: '#8cb0f6',
    500: '#4591f1',
    950: '#000000',
  },
}

SCSS

$custom: #4591f1;
$custom-light: #8cb0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#4591f1",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 241
  },
  "hsl": {
    "h": 213.488,
    "s": 86,
    "l": 60.784
  },
  "oklch": {
    "l": 0.65502,
    "c": 0.16209,
    "h": 255.6
  },
  "luminance": 0.27867
}

Semantic roles & 50–950 ramp

primary

#4591F1

secondary

#E9CDA8

accent

#8003E3

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4591F1

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

Preview Lab → · Contrast checker → · Palette generator →