#243771#243771

#243771 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.5% C 0.103 H 267.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#243771
RGB	rgb(36, 55, 113)
HSL	hsl(225, 52%, 29%)
HSV	hsv(225, 68%, 44%)
CMYK	cmyk(68.1%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(24.64, 13.10, -35.88)
CIE-LCH	lch(24.64, 38.19, 290.06°)
OKLab	oklab(35.5% -0.0047 -0.1028)
OKLCH	oklch(35.5% 0.103 267.4)
XYZ	xyz(5.0734, 4.2992, 16.1821)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243771 #715E24

analogous

#245E71 #243771 #382471

triadic

#243771 #712437 #377124

tetradic

#243771 #71245E #715E24 #247138

square

#243771 #71245E #715E24 #247138

split-complementary

#243771 #713824 #5E7124

monochromatic

#070B17 #152043 #243771 #334E9F #4A68C5

Accessibility & contrast

On white

11.29

#243771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#243771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243771

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243771	#FFFFFF	#000000	##FFFFFF
##243771	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183E73

Deuteranopia (green-blind)

#063770

Tritanopia (blue-blind)

#00444E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243771;
/* rgb */ color: rgb(36, 55, 113);
/* oklch */ color: oklch(35.5% 0.103 267.4);

Tailwind

colors: {
  custom: {
    50: '#686d9a',
    500: '#243771',
    950: '#000000',
  },
}

SCSS

$custom: #243771;
$custom-light: #686d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#243771",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 225.195,
    "s": 51.678,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35504,
    "c": 0.10288,
    "h": 267.4
  },
  "luminance": 0.043
}

Semantic roles & 50–950 ramp

primary

#243771

secondary

#A48E4D

accent

#B84DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #243771

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

Preview Lab → · Contrast checker → · Palette generator →