#243F7E#243F7E

#243F7E is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.112 H 264.3°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#243F7E
RGB	rgb(36, 63, 126)
HSL	hsl(222, 56%, 32%)
HSV	hsv(222, 71%, 49%)
CMYK	cmyk(71.4%, 50%, 0%, 50.6%)
CIE-LAB	lab(27.94, 12.62, -38.78)
CIE-LCH	lch(27.94, 40.78, 288.03°)
OKLab	oklab(38.32% -0.0111 -0.1112)
OKLCH	oklch(38.32% 0.112 264.3)
XYZ	xyz(6.2696, 5.4358, 20.4534)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F7E #7E6324

analogous

#246C7E #243F7E #36247E

triadic

#243F7E #7E243F #3F7E24

tetradic

#243F7E #7E246C #7E6324 #247E36

square

#243F7E #7E246C #7E6324 #247E36

split-complementary

#243F7E #7E3624 #6C7E24

monochromatic

#090F1F #16274E #243F7E #3257AE #5075CD

Accessibility & contrast

On white

10.06

#243F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#243F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F7E

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F7E	#FFFFFF	#000000	##FFFFFF
##243F7E	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4680

Deuteranopia (green-blind)

#063E7D

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #243f7e;
/* rgb */ color: rgb(36, 63, 126);
/* oklch */ color: oklch(38.3% 0.112 264.3);

Tailwind

colors: {
  custom: {
    50: '#6a73a4',
    500: '#243f7e',
    950: '#000000',
  },
}

SCSS

$custom: #243f7e;
$custom-light: #6a73a4;
$custom-dark: #000000;

JSON

{
  "hex": "#243f7e",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 126
  },
  "hsl": {
    "h": 222,
    "s": 55.556,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38318,
    "c": 0.11173,
    "h": 264.3
  },
  "luminance": 0.05436
}

Semantic roles & 50–950 ramp

primary

#243F7E

secondary

#B0934E

accent

#B249DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #243F7E

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

Preview Lab → · Contrast checker → · Palette generator →