#243E7A#243E7A

#243E7A is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.107 H 264.3°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#243E7A
RGB	rgb(36, 62, 122)
HSL	hsl(222, 54%, 31%)
HSV	hsv(222, 70%, 48%)
CMYK	cmyk(70.5%, 49.2%, 0%, 52.2%)
CIE-LAB	lab(27.37, 11.74, -37.19)
CIE-LCH	lch(27.37, 39.00, 287.52°)
OKLab	oklab(37.79% -0.0107 -0.1065)
OKLCH	oklch(37.79% 0.107 264.3)
XYZ	xyz(5.9618, 5.2249, 19.1029)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E7A #7A6024

analogous

#24697A #243E7A #35247A

triadic

#243E7A #7A243E #3E7A24

tetradic

#243E7A #7A2469 #7A6024 #247A35

square

#243E7A #7A2469 #7A6024 #247A35

split-complementary

#243E7A #7A3524 #697A24

monochromatic

#080E1B #16264B #243E7A #3256A9 #4E73CB

Accessibility & contrast

On white

10.27

#243E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#243E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E7A

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E7A	#FFFFFF	#000000	##FFFFFF
##243E7A	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F457C

Deuteranopia (green-blind)

#0C3D79

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243e7a;
/* rgb */ color: rgb(36, 62, 122);
/* oklch */ color: oklch(37.8% 0.107 264.3);

Tailwind

colors: {
  custom: {
    50: '#6a72a1',
    500: '#243e7a',
    950: '#000000',
  },
}

SCSS

$custom: #243e7a;
$custom-light: #6a72a1;
$custom-dark: #000000;

JSON

{
  "hex": "#243e7a",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 122
  },
  "hsl": {
    "h": 221.86,
    "s": 54.43,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37789,
    "c": 0.10707,
    "h": 264.3
  },
  "luminance": 0.05225
}

Semantic roles & 50–950 ramp

primary

#243E7A

secondary

#AC904D

accent

#B14ADE

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #243E7A

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

Preview Lab → · Contrast checker → · Palette generator →