#4270CD#4270CD

#4270CD is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.153 H 262.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4270CD
RGB	rgb(66, 112, 205)
HSL	hsl(220, 58%, 53%)
HSV	hsv(220, 68%, 80%)
CMYK	cmyk(67.8%, 45.4%, 0%, 19.6%)
CIE-LAB	lab(48.45, 14.83, -52.89)
CIE-LCH	lch(48.45, 54.93, 285.67°)
OKLab	oklab(56.06% -0.0194 -0.1513)
OKLCH	oklch(56.06% 0.153 262.7)
XYZ	xyz(19.0565, 17.1525, 60.0522)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270CD #CD9F42

analogous

#42B5CD #4270CD #5942CD

triadic

#4270CD #CD4270 #70CD42

tetradic

#4270CD #CD42B5 #CD9F42 #42CD59

square

#4270CD #CD42B5 #CD9F42 #42CD59

split-complementary

#4270CD #CD5942 #B5CD42

monochromatic

#1F3C76 #2C54A6 #4270CD #7295DA #A3B9E7

Accessibility & contrast

On white

4.74

#4270CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4270CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4270CD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270CD	#FFFFFF	#000000	##FFFFFF
##4270CD	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427AD1

Deuteranopia (green-blind)

#276DCB

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4270cd;
/* rgb */ color: rgb(66, 112, 205);
/* oklch */ color: oklch(56.1% 0.153 262.7);

Tailwind

colors: {
  custom: {
    50: '#8598dd',
    500: '#4270cd',
    950: '#000000',
  },
}

SCSS

$custom: #4270cd;
$custom-light: #8598dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4270cd",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 205
  },
  "hsl": {
    "h": 220.144,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56055,
    "c": 0.15258,
    "h": 262.7
  },
  "luminance": 0.17154
}

Semantic roles & 50–950 ramp

primary

#4270CD

secondary

#D3C097

accent

#AE46E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4270CD

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

Preview Lab → · Contrast checker → · Palette generator →