#4571B6#4571B6

#4571B6 is a mid, moderate blue. Relative luminance 0.165; OKLCH L 55.0% C 0.119 H 259.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4571B6
RGB	rgb(69, 113, 182)
HSL	hsl(217, 45%, 49%)
HSV	hsv(217, 62%, 71%)
CMYK	cmyk(62.1%, 37.9%, 0%, 28.6%)
CIE-LAB	lab(47.56, 6.63, -41.06)
CIE-LCH	lch(47.56, 41.60, 279.18°)
OKLab	oklab(54.98% -0.0225 -0.1166)
OKLCH	oklch(54.98% 0.119 259.1)
XYZ	xyz(16.7999, 16.4513, 46.5370)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571B6 #B68A45

analogous

#45AAB6 #4571B6 #5245B6

triadic

#4571B6 #B64571 #71B645

tetradic

#4571B6 #B645AA #B68A45 #45B652

square

#4571B6 #B645AA #B68A45 #45B652

split-complementary

#4571B6 #B65245 #AAB645

monochromatic

#233A5D #34558A #4571B6 #7092C9 #9CB4D9

Accessibility & contrast

On white

4.89

#4571B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4571B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571B6

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571B6	#FFFFFF	#000000	##FFFFFF
##4571B6	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5377B9

Deuteranopia (green-blind)

#446CB5

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4571b6;
/* rgb */ color: rgb(69, 113, 182);
/* oklch */ color: oklch(55.0% 0.119 259.1);

Tailwind

colors: {
  custom: {
    50: '#8399cc',
    500: '#4571b6',
    950: '#000000',
  },
}

SCSS

$custom: #4571b6;
$custom-light: #8399cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4571b6",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 182
  },
  "hsl": {
    "h": 216.637,
    "s": 45.02,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5498,
    "c": 0.11871,
    "h": 259.1
  },
  "luminance": 0.16453
}

Semantic roles & 50–950 ramp

primary

#4571B6

secondary

#C6B191

accent

#A253D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4571B6

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

Preview Lab → · Contrast checker → · Palette generator →