#4591BF#4591BF

#4591BF is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.102 H 238.0°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4591BF
RGB	rgb(69, 145, 191)
HSL	hsl(203, 49%, 51%)
HSV	hsv(203, 64%, 75%)
CMYK	cmyk(63.9%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.34, -9.23, -30.87)
CIE-LCH	lch(57.34, 32.22, 253.35°)
OKLab	oklab(62.81% -0.0541 -0.0867)
OKLCH	oklch(62.81% 0.102 238)
XYZ	xyz(21.9800, 25.2754, 53.0004)
Luminance	0.2528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591BF #BF7345

analogous

#45BFB0 #4591BF #4554BF

triadic

#4591BF #BF4591 #91BF45

tetradic

#4591BF #B045BF #BF7345 #54BF45

square

#4591BF #B045BF #BF7345 #54BF45

split-complementary

#4591BF #BF4554 #BFB045

monochromatic

#234D66 #336F94 #4591BF #73ACCF #A0C7DE

Accessibility & contrast

On white

3.47

#4591BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#4591BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591BF

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591BF	#FFFFFF	#000000	##000000
##4591BF	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C91C1

Deuteranopia (green-blind)

#6B84BE

Tritanopia (blue-blind)

#009DA1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4591bf;
/* rgb */ color: rgb(69, 145, 191);
/* oklch */ color: oklch(62.8% 0.102 238.0);

Tailwind

colors: {
  custom: {
    50: '#85b1d2',
    500: '#4591bf',
    950: '#000000',
  },
}

SCSS

$custom: #4591bf;
$custom-light: #85b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4591bf",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 202.623,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62807,
    "c": 0.10219,
    "h": 238
  },
  "luminance": 0.25278
}

Semantic roles & 50–950 ramp

primary

#4591BF

secondary

#CBA995

accent

#834FD8

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4591BF

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

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