#4238AF#4238AF

#4238AF is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.181 H 279.3°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#4238AF
RGB	rgb(66, 56, 175)
HSL	hsl(245, 52%, 45%)
HSV	hsv(245, 68%, 69%)
CMYK	cmyk(62.3%, 68%, 0%, 31.4%)
CIE-LAB	lab(31.99, 39.70, -62.05)
CIE-LCH	lch(31.99, 73.66, 302.61°)
OKLab	oklab(43.05% 0.0294 -0.1789)
OKLCH	oklch(43.05% 0.181 279.3)
XYZ	xyz(11.3963, 7.0809, 41.3153)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4238AF #A5AF38

analogous

#3869AF #4238AF #7D38AF

triadic

#4238AF #AF4238 #38AF42

tetradic

#4238AF #AF3869 #A5AF38 #38AF7D

square

#4238AF #AF3869 #A5AF38 #38AF7D

split-complementary

#4238AF #AF7D38 #69AF38

monochromatic

#1F1A52 #312981 #4238AF #635ACA #8F88D9

Accessibility & contrast

On white

8.69

#4238AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4238AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4238AF

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4238AF	#FFFFFF	#000000	##FFFFFF
##4238AF	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4238af;
/* rgb */ color: rgb(66, 56, 175);
/* oklch */ color: oklch(43.1% 0.181 279.3);

Tailwind

colors: {
  custom: {
    50: '#8370c8',
    500: '#4238af',
    950: '#000000',
  },
}

SCSS

$custom: #4238af;
$custom-light: #8370c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4238af",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 175
  },
  "hsl": {
    "h": 245.042,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43051,
    "c": 0.18126,
    "h": 279.3
  },
  "luminance": 0.07082
}

Semantic roles & 50–950 ramp

primary

#4238AF

secondary

#BDC380

accent

#DB4DCF

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4238AF

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

Preview Lab → · Contrast checker → · Palette generator →