#2438B1#2438B1

#2438B1 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.191 H 268.5°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2438B1
RGB	rgb(36, 56, 177)
HSL	hsl(231, 66%, 42%)
HSV	hsv(231, 80%, 69%)
CMYK	cmyk(79.7%, 68.4%, 0%, 30.6%)
CIE-LAB	lab(30.34, 36.87, -66.02)
CIE-LCH	lch(30.34, 75.62, 299.19°)
OKLab	oklab(41.43% -0.005 -0.1912)
OKLCH	oklch(41.43% 0.191 268.5)
XYZ	xyz(10.0748, 6.3766, 42.2863)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2438B1 #B19D24

analogous

#247FB1 #2438B1 #5624B1

triadic

#2438B1 #B12438 #38B124

tetradic

#2438B1 #B1247F #B19D24 #24B156

square

#2438B1 #B1247F #B19D24 #24B156

split-complementary

#2438B1 #B15624 #7FB124

monochromatic

#0F184B #1A287E #2438B1 #3B51D7 #6E7EE1

Accessibility & contrast

On white

9.23

#2438B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2438B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2438B1

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2438B1	#FFFFFF	#000000	##FFFFFF
##2438B1	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	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: #2438b1;
/* rgb */ color: rgb(36, 56, 177);
/* oklch */ color: oklch(41.4% 0.191 268.5);

Tailwind

colors: {
  custom: {
    50: '#786fc9',
    500: '#2438b1',
    950: '#000000',
  },
}

SCSS

$custom: #2438b1;
$custom-light: #786fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2438b1",
  "rgb": {
    "r": 36,
    "g": 56,
    "b": 177
  },
  "hsl": {
    "h": 231.489,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41431,
    "c": 0.19124,
    "h": 268.5
  },
  "luminance": 0.06378
}

Semantic roles & 50–950 ramp

primary

#2438B1

secondary

#C8BA69

accent

#D13FE9

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2438B1

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

Preview Lab → · Contrast checker → · Palette generator →