#243489#243489

#243489 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.142 H 269.8°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#243489
RGB	rgb(36, 52, 137)
HSL	hsl(230, 58%, 34%)
HSV	hsv(230, 74%, 54%)
CMYK	cmyk(73.7%, 62%, 0%, 46.3%)
CIE-LAB	lab(25.67, 24.52, -49.32)
CIE-LCH	lch(25.67, 55.08, 296.44°)
OKLab	oklab(36.88% -0.0005 -0.1424)
OKLCH	oklch(36.88% 0.142 269.8)
XYZ	xyz(6.4694, 4.6365, 24.2161)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243489 #897924

analogous

#246789 #243489 #472489

triadic

#243489 #892434 #348924

tetradic

#243489 #892467 #897924 #248947

square

#243489 #892467 #897924 #248947

split-complementary

#243489 #894724 #678924

monochromatic

#0B0F28 #172259 #243489 #3146B9 #5569D2

Accessibility & contrast

On white

10.90

#243489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#243489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243489

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243489	#FFFFFF	#000000	##FFFFFF
##243489	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243489;
/* rgb */ color: rgb(36, 52, 137);
/* oklch */ color: oklch(36.9% 0.142 269.8);

Tailwind

colors: {
  custom: {
    50: '#6e6bac',
    500: '#243489',
    950: '#000000',
  },
}

SCSS

$custom: #243489;
$custom-light: #6e6bac;
$custom-dark: #000000;

JSON

{
  "hex": "#243489",
  "rgb": {
    "r": 36,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 230.495,
    "s": 58.382,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36878,
    "c": 0.14236,
    "h": 269.8
  },
  "luminance": 0.04637
}

Semantic roles & 50–950 ramp

primary

#243489

secondary

#B7A752

accent

#C946E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #243489

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

Preview Lab → · Contrast checker → · Palette generator →