#243687#243687

#243687 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.137 H 269.1°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#243687
RGB	rgb(36, 54, 135)
HSL	hsl(229, 58%, 34%)
HSV	hsv(229, 73%, 53%)
CMYK	cmyk(73.3%, 60%, 0%, 47.1%)
CIE-LAB	lab(26.05, 22.38, -47.47)
CIE-LCH	lch(26.05, 52.48, 295.24°)
OKLab	oklab(37.1% -0.0022 -0.1369)
OKLCH	oklch(37.1% 0.137 269.1)
XYZ	xyz(6.4184, 4.7620, 23.4979)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243687 #877524

analogous

#246787 #243687 #432487

triadic

#243687 #872436 #368724

tetradic

#243687 #872467 #877524 #248743

square

#243687 #872467 #877524 #248743

split-complementary

#243687 #874324 #678724

monochromatic

#0A0F26 #172357 #243687 #3149B7 #546BD1

Accessibility & contrast

On white

10.75

#243687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#243687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243687

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243687	#FFFFFF	#000000	##FFFFFF
##243687	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243687;
/* rgb */ color: rgb(36, 54, 135);
/* oklch */ color: oklch(37.1% 0.137 269.1);

Tailwind

colors: {
  custom: {
    50: '#6d6cab',
    500: '#243687',
    950: '#000000',
  },
}

SCSS

$custom: #243687;
$custom-light: #6d6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#243687",
  "rgb": {
    "r": 36,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 229.091,
    "s": 57.895,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37102,
    "c": 0.13692,
    "h": 269.1
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#243687

secondary

#B5A351

accent

#C547E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #243687

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

Preview Lab → · Contrast checker → · Palette generator →