#4570BA#4570BA

#4570BA is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.125 H 260.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4570BA
RGB	rgb(69, 112, 186)
HSL	hsl(218, 46%, 50%)
HSV	hsv(218, 63%, 73%)
CMYK	cmyk(62.9%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(47.49, 8.64, -43.49)
CIE-LCH	lch(47.49, 44.34, 281.24°)
OKLab	oklab(55% -0.0205 -0.1237)
OKLCH	oklch(55% 0.125 260.6)
XYZ	xyz(17.1082, 16.3972, 48.7082)
Luminance	0.1640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570BA #BA8F45

analogous

#45AABA #4570BA #5545BA

triadic

#4570BA #BA4570 #70BA45

tetradic

#4570BA #BA45AA #BA8F45 #45BA55

square

#4570BA #BA45AA #BA8F45 #45BA55

split-complementary

#4570BA #BA5545 #AABA45

monochromatic

#243A61 #34558D #4570BA #7292CB #9EB5DB

Accessibility & contrast

On white

4.91

#4570BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#4570BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570BA

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570BA	#FFFFFF	#000000	##FFFFFF
##4570BA	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BD

Deuteranopia (green-blind)

#3F6CB8

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4570ba;
/* rgb */ color: rgb(69, 112, 186);
/* oklch */ color: oklch(55.0% 0.125 260.6);

Tailwind

colors: {
  custom: {
    50: '#8398cf',
    500: '#4570ba',
    950: '#000000',
  },
}

SCSS

$custom: #4570ba;
$custom-light: #8398cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4570ba",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 217.949,
    "s": 45.882,
    "l": 50
  },
  "oklch": {
    "l": 0.54996,
    "c": 0.12537,
    "h": 260.6
  },
  "luminance": 0.16399
}

Semantic roles & 50–950 ramp

primary

#4570BA

secondary

#C8B493

accent

#A552D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4570BA

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

Preview Lab → · Contrast checker → · Palette generator →