#4581BF#4581BF

#4581BF is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 59.1% C 0.114 H 251.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4581BF
RGB	rgb(69, 129, 191)
HSL	hsl(210, 49%, 51%)
HSV	hsv(210, 64%, 75%)
CMYK	cmyk(63.9%, 32.5%, 0%, 25.1%)
CIE-LAB	lab(52.65, 0.03, -38.22)
CIE-LCH	lch(52.65, 38.22, 270.05°)
OKLab	oklab(59.1% -0.0372 -0.1081)
OKLCH	oklch(59.1% 0.114 251)
XYZ	xyz(19.7050, 20.7254, 52.2421)
Luminance	0.2073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4581BF #BF8345

analogous

#45BEBF #4581BF #4645BF

triadic

#4581BF #BF4581 #81BF45

tetradic

#4581BF #BF45BE #BF8345 #45BF46

square

#4581BF #BF45BE #BF8345 #45BF46

split-complementary

#4581BF #BF4645 #BEBF45

monochromatic

#234466 #336394 #4581BF #73A0CF #A0BFDE

Accessibility & contrast

On white

4.08

#4581BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#4581BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4581BF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4581BF	#FFFFFF	#000000	##000000
##4581BF	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6684C2

Deuteranopia (green-blind)

#5678BE

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4581bf;
/* rgb */ color: rgb(69, 129, 191);
/* oklch */ color: oklch(59.1% 0.114 251.0);

Tailwind

colors: {
  custom: {
    50: '#84a5d2',
    500: '#4581bf',
    950: '#000000',
  },
}

SCSS

$custom: #4581bf;
$custom-light: #84a5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4581bf",
  "rgb": {
    "r": 69,
    "g": 129,
    "b": 191
  },
  "hsl": {
    "h": 210.492,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.59102,
    "c": 0.11429,
    "h": 251
  },
  "luminance": 0.20727
}

Semantic roles & 50–950 ramp

primary

#4581BF

secondary

#CBB095

accent

#954FD8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4581BF

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

Preview Lab → · Contrast checker → · Palette generator →