#243989#243989

#243989 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.136 H 268.1°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#243989
RGB	rgb(36, 57, 137)
HSL	hsl(228, 58%, 34%)
HSV	hsv(228, 74%, 54%)
CMYK	cmyk(73.7%, 58.4%, 0%, 46.3%)
CIE-LAB	lab(27.04, 21.09, -47.10)
CIE-LCH	lch(27.04, 51.61, 294.12°)
OKLab	oklab(37.9% -0.0046 -0.1358)
OKLCH	oklch(37.9% 0.136 268.1)
XYZ	xyz(6.7045, 5.1068, 24.2944)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243989 #897424

analogous

#246C89 #243989 #422489

triadic

#243989 #892439 #398924

tetradic

#243989 #89246C #897424 #248942

square

#243989 #89246C #897424 #248942

split-complementary

#243989 #894224 #6C8924

monochromatic

#0B1128 #172559 #243989 #314DB9 #556FD2

Accessibility & contrast

On white

10.39

#243989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#243989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243989

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243989	#FFFFFF	#000000	##FFFFFF
##243989	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243989;
/* rgb */ color: rgb(36, 57, 137);
/* oklch */ color: oklch(37.9% 0.136 268.1);

Tailwind

colors: {
  custom: {
    50: '#6d6fac',
    500: '#243989',
    950: '#000000',
  },
}

SCSS

$custom: #243989;
$custom-light: #6d6fac;
$custom-dark: #000000;

JSON

{
  "hex": "#243989",
  "rgb": {
    "r": 36,
    "g": 57,
    "b": 137
  },
  "hsl": {
    "h": 227.525,
    "s": 58.382,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37895,
    "c": 0.13585,
    "h": 268.1
  },
  "luminance": 0.05107
}

Semantic roles & 50–950 ramp

primary

#243989

secondary

#B7A252

accent

#C146E2

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #243989

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

Preview Lab → · Contrast checker → · Palette generator →