#243E7C#243E7C

#243E7C is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.110 H 264.6°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#243E7C
RGB	rgb(36, 62, 124)
HSL	hsl(222, 55%, 31%)
HSV	hsv(222, 71%, 49%)
CMYK	cmyk(71%, 50%, 0%, 51.4%)
CIE-LAB	lab(27.50, 12.53, -38.23)
CIE-LCH	lch(27.50, 40.23, 288.14°)
OKLab	oklab(37.94% -0.0104 -0.1096)
OKLCH	oklch(37.94% 0.11 264.6)
XYZ	xyz(6.0870, 5.2749, 19.7623)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E7C #7C6224

analogous

#246A7C #243E7C #36247C

triadic

#243E7C #7C243E #3E7C24

tetradic

#243E7C #7C246A #7C6224 #247C36

square

#243E7C #7C246A #7C6224 #247C36

split-complementary

#243E7C #7C3624 #6A7C24

monochromatic

#080F1D #16264D #243E7C #3256AB #4F74CC

Accessibility & contrast

On white

10.22

#243E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#243E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E7C

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E7C	#FFFFFF	#000000	##FFFFFF
##243E7C	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D457E

Deuteranopia (green-blind)

#073D7B

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243e7c;
/* rgb */ color: rgb(36, 62, 124);
/* oklch */ color: oklch(37.9% 0.110 264.6);

Tailwind

colors: {
  custom: {
    50: '#6a72a2',
    500: '#243e7c',
    950: '#000000',
  },
}

SCSS

$custom: #243e7c;
$custom-light: #6a72a2;
$custom-dark: #000000;

JSON

{
  "hex": "#243e7c",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 124
  },
  "hsl": {
    "h": 222.273,
    "s": 55,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37939,
    "c": 0.11007,
    "h": 264.6
  },
  "luminance": 0.05276
}

Semantic roles & 50–950 ramp

primary

#243E7C

secondary

#AE924D

accent

#B249DE

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #243E7C

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

Preview Lab → · Contrast checker → · Palette generator →