#4270CA#4270CA

#4270CA is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.148 H 262.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4270CA
RGB	rgb(66, 112, 202)
HSL	hsl(220, 56%, 53%)
HSV	hsv(220, 67%, 79%)
CMYK	cmyk(67.3%, 44.6%, 0%, 20.8%)
CIE-LAB	lab(48.27, 13.76, -51.47)
CIE-LCH	lch(48.27, 53.27, 284.97°)
OKLab	oklab(55.86% -0.0199 -0.1471)
OKLCH	oklch(55.86% 0.148 262.3)
XYZ	xyz(18.6978, 17.0090, 58.1633)
Luminance	0.1701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270CA #CA9C42

analogous

#42B4CA #4270CA #5842CA

triadic

#4270CA #CA4270 #70CA42

tetradic

#4270CA #CA42B4 #CA9C42 #42CA58

square

#4270CA #CA42B4 #CA9C42 #42CA58

split-complementary

#4270CA #CA5842 #B4CA42

monochromatic

#203C72 #2D55A2 #4270CA #7294D7 #A2B8E5

Accessibility & contrast

On white

4.77

#4270CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4270CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4270CA

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270CA	#FFFFFF	#000000	##FFFFFF
##4270CA	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4479CD

Deuteranopia (green-blind)

#2C6DC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4270ca;
/* rgb */ color: rgb(66, 112, 202);
/* oklch */ color: oklch(55.9% 0.148 262.3);

Tailwind

colors: {
  custom: {
    50: '#8598db',
    500: '#4270ca',
    950: '#000000',
  },
}

SCSS

$custom: #4270ca;
$custom-light: #8598db;
$custom-dark: #000000;

JSON

{
  "hex": "#4270ca",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 202
  },
  "hsl": {
    "h": 219.706,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55858,
    "c": 0.14848,
    "h": 262.3
  },
  "luminance": 0.17011
}

Semantic roles & 50–950 ramp

primary

#4270CA

secondary

#D1BD96

accent

#AC48DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4270CA

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

Preview Lab → · Contrast checker → · Palette generator →