#2338B1#2338B1

#2338B1 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.192 H 268.3°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2338B1
RGB	rgb(35, 56, 177)
HSL	hsl(231, 67%, 42%)
HSV	hsv(231, 80%, 69%)
CMYK	cmyk(80.2%, 68.4%, 0%, 30.6%)
CIE-LAB	lab(30.30, 36.79, -66.09)
CIE-LCH	lch(30.30, 75.64, 299.10°)
OKLab	oklab(41.39% -0.0058 -0.1914)
OKLCH	oklch(41.39% 0.192 268.3)
XYZ	xyz(10.0404, 6.3588, 42.2847)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2338B1 #B19C23

analogous

#237FB1 #2338B1 #5523B1

triadic

#2338B1 #B12338 #38B123

tetradic

#2338B1 #B1237F #B19C23 #23B155

square

#2338B1 #B1237F #B19C23 #23B155

split-complementary

#2338B1 #B15523 #7FB123

monochromatic

#0F184B #19287E #2338B1 #3951D8 #6C7EE2

Accessibility & contrast

On white

9.24

#2338B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2338B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2338B1

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2338B1	#FFFFFF	#000000	##FFFFFF
##2338B1	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB5

Deuteranopia (green-blind)

#0041AF

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2338b1;
/* rgb */ color: rgb(35, 56, 177);
/* oklch */ color: oklch(41.4% 0.192 268.3);

Tailwind

colors: {
  custom: {
    50: '#776fc9',
    500: '#2338b1',
    950: '#000000',
  },
}

SCSS

$custom: #2338b1;
$custom-light: #776fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2338b1",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 177
  },
  "hsl": {
    "h": 231.127,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41388,
    "c": 0.1915,
    "h": 268.3
  },
  "luminance": 0.0636
}

Semantic roles & 50–950 ramp

primary

#2338B1

secondary

#C8BA68

accent

#D03EEA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2338B1

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

Preview Lab → · Contrast checker → · Palette generator →