#4571B2#4571B2

#4571B2 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 54.7% C 0.113 H 258.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4571B2
RGB	rgb(69, 113, 178)
HSL	hsl(216, 44%, 48%)
HSV	hsv(216, 61%, 70%)
CMYK	cmyk(61.2%, 36.5%, 0%, 30.2%)
CIE-LAB	lab(47.35, 5.25, -39.08)
CIE-LCH	lch(47.35, 39.43, 277.66°)
OKLab	oklab(54.75% -0.0235 -0.1107)
OKLCH	oklch(54.75% 0.113 258)
XYZ	xyz(16.3924, 16.2883, 44.3910)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571B2 #B28645

analogous

#45A7B2 #4571B2 #4F45B2

triadic

#4571B2 #B24571 #71B245

tetradic

#4571B2 #B245A7 #B28645 #45B24F

square

#4571B2 #B245A7 #B28645 #45B24F

split-complementary

#4571B2 #B24F45 #A7B245

monochromatic

#23395A #345586 #4571B2 #6E92C7 #9AB3D8

Accessibility & contrast

On white

4.93

#4571B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4571B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571B2

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571B2	#FFFFFF	#000000	##FFFFFF
##4571B2	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5576B5

Deuteranopia (green-blind)

#476CB1

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4571b2;
/* rgb */ color: rgb(69, 113, 178);
/* oklch */ color: oklch(54.7% 0.113 258.0);

Tailwind

colors: {
  custom: {
    50: '#8299c9',
    500: '#4571b2',
    950: '#000000',
  },
}

SCSS

$custom: #4571b2;
$custom-light: #8299c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4571b2",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 178
  },
  "hsl": {
    "h": 215.78,
    "s": 44.13,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54747,
    "c": 0.11321,
    "h": 258
  },
  "luminance": 0.1629
}

Semantic roles & 50–950 ramp

primary

#4571B2

secondary

#C4AE8F

accent

#A054D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4571B2

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

Preview Lab → · Contrast checker → · Palette generator →