#4570B2#4570B2

#4570B2 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.5% C 0.114 H 258.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4570B2
RGB	rgb(69, 112, 178)
HSL	hsl(216, 44%, 48%)
HSV	hsv(216, 61%, 70%)
CMYK	cmyk(61.2%, 37.1%, 0%, 30.2%)
CIE-LAB	lab(47.06, 5.87, -39.53)
CIE-LCH	lch(47.06, 39.97, 278.45°)
OKLab	oklab(54.52% -0.0224 -0.1121)
OKLCH	oklch(54.52% 0.114 258.7)
XYZ	xyz(16.2815, 16.0664, 44.3540)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570B2 #B28745

analogous

#45A6B2 #4570B2 #5045B2

triadic

#4570B2 #B24570 #70B245

tetradic

#4570B2 #B245A6 #B28745 #45B250

square

#4570B2 #B245A6 #B28745 #45B250

split-complementary

#4570B2 #B25045 #A6B245

monochromatic

#23385A #345486 #4570B2 #6E91C7 #9AB2D8

Accessibility & contrast

On white

4.98

#4570B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#4570B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570B2

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570B2	#FFFFFF	#000000	##FFFFFF
##4570B2	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5475B5

Deuteranopia (green-blind)

#456BB1

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4570b2;
/* rgb */ color: rgb(69, 112, 178);
/* oklch */ color: oklch(54.5% 0.114 258.7);

Tailwind

colors: {
  custom: {
    50: '#8298c9',
    500: '#4570b2',
    950: '#000000',
  },
}

SCSS

$custom: #4570b2;
$custom-light: #8298c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4570b2",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 178
  },
  "hsl": {
    "h": 216.33,
    "s": 44.13,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54522,
    "c": 0.11432,
    "h": 258.7
  },
  "luminance": 0.16068
}

Semantic roles & 50–950 ramp

primary

#4570B2

secondary

#C4AF8F

accent

#A154D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4570B2

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

Preview Lab → · Contrast checker → · Palette generator →