#243089#243089

#243089 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.147 H 271.0°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#243089
RGB	rgb(36, 48, 137)
HSL	hsl(233, 58%, 34%)
HSV	hsv(233, 74%, 54%)
CMYK	cmyk(73.7%, 65%, 0%, 46.3%)
CIE-LAB	lab(24.62, 27.24, -51.04)
CIE-LCH	lch(24.62, 57.85, 298.09°)
OKLab	oklab(36.1% 0.0025 -0.1474)
OKLCH	oklch(36.1% 0.147 271)
XYZ	xyz(6.2983, 4.2945, 24.1590)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243089 #897D24

analogous

#246389 #243089 #4B2489

triadic

#243089 #892430 #308924

tetradic

#243089 #892463 #897D24 #24894B

square

#243089 #892463 #897D24 #24894B

split-complementary

#243089 #894B24 #638924

monochromatic

#0B0E28 #171F59 #243089 #3141B9 #5564D2

Accessibility & contrast

On white

11.30

#243089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#243089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243089

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243089	#FFFFFF	#000000	##FFFFFF
##243089	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8C

Deuteranopia (green-blind)

#003687

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243089;
/* rgb */ color: rgb(36, 48, 137);
/* oklch */ color: oklch(36.1% 0.147 271.0);

Tailwind

colors: {
  custom: {
    50: '#6e68ac',
    500: '#243089',
    950: '#000000',
  },
}

SCSS

$custom: #243089;
$custom-light: #6e68ac;
$custom-dark: #000000;

JSON

{
  "hex": "#243089",
  "rgb": {
    "r": 36,
    "g": 48,
    "b": 137
  },
  "hsl": {
    "h": 232.871,
    "s": 58.382,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36102,
    "c": 0.14746,
    "h": 271
  },
  "luminance": 0.04295
}

Semantic roles & 50–950 ramp

primary

#243089

secondary

#B7AB52

accent

#CF46E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #243089

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

Preview Lab → · Contrast checker → · Palette generator →