#4570BD#4570BD

#4570BD is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.130 H 261.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4570BD
RGB	rgb(69, 112, 189)
HSL	hsl(219, 48%, 51%)
HSV	hsv(219, 63%, 74%)
CMYK	cmyk(63.5%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(47.66, 9.69, -44.96)
CIE-LCH	lch(47.66, 45.99, 282.16°)
OKLab	oklab(55.18% -0.0199 -0.128)
OKLCH	oklch(55.18% 0.13 261.2)
XYZ	xyz(17.4305, 16.5261, 50.4055)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570BD #BD9245

analogous

#45ACBD #4570BD #5645BD

triadic

#4570BD #BD4570 #70BD45

tetradic

#4570BD #BD45AC #BD9245 #45BD56

square

#4570BD #BD45AC #BD9245 #45BD56

split-complementary

#4570BD #BD5645 #ACBD45

monochromatic

#243B64 #345591 #4570BD #7293CD #9FB5DD

Accessibility & contrast

On white

4.88

#4570BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4570BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570BD

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570BD	#FFFFFF	#000000	##FFFFFF
##4570BD	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77C0

Deuteranopia (green-blind)

#3C6CBB

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4570bd;
/* rgb */ color: rgb(69, 112, 189);
/* oklch */ color: oklch(55.2% 0.130 261.2);

Tailwind

colors: {
  custom: {
    50: '#8498d1',
    500: '#4570bd',
    950: '#000000',
  },
}

SCSS

$custom: #4570bd;
$custom-light: #8498d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4570bd",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 218.5,
    "s": 47.619,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55178,
    "c": 0.12952,
    "h": 261.2
  },
  "luminance": 0.16528
}

Semantic roles & 50–950 ramp

primary

#4570BD

secondary

#CAB694

accent

#A751D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4570BD

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

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