#243779#243779

#243779 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.115 H 268.1°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#243779
RGB	rgb(36, 55, 121)
HSL	hsl(227, 54%, 31%)
HSV	hsv(227, 70%, 47%)
CMYK	cmyk(70.2%, 54.5%, 0%, 52.5%)
CIE-LAB	lab(25.22, 16.23, -40.02)
CIE-LCH	lch(25.22, 43.18, 292.07°)
OKLab	oklab(36.13% -0.0038 -0.115)
OKLCH	oklch(36.13% 0.115 268.1)
XYZ	xyz(5.5437, 4.4874, 18.6594)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243779 #796624

analogous

#246179 #243779 #3B2479

triadic

#243779 #792437 #377924

tetradic

#243779 #792461 #796624 #24793B

square

#243779 #792461 #796624 #24793B

split-complementary

#243779 #793B24 #617924

monochromatic

#080C1B #16224A #243779 #324CA8 #4D69CA

Accessibility & contrast

On white

11.07

#243779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#243779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243779

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243779	#FFFFFF	#000000	##FFFFFF
##243779	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C407B

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#004752

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243779;
/* rgb */ color: rgb(36, 55, 121);
/* oklch */ color: oklch(36.1% 0.115 268.1);

Tailwind

colors: {
  custom: {
    50: '#6a6da0',
    500: '#243779',
    950: '#000000',
  },
}

SCSS

$custom: #243779;
$custom-light: #6a6da0;
$custom-dark: #000000;

JSON

{
  "hex": "#243779",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 121
  },
  "hsl": {
    "h": 226.588,
    "s": 54.14,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36134,
    "c": 0.11502,
    "h": 268.1
  },
  "luminance": 0.04488
}

Semantic roles & 50–950 ramp

primary

#243779

secondary

#AC964D

accent

#BD4ADE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #243779

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

Preview Lab → · Contrast checker → · Palette generator →