#243EAF#243EAF

#243EAF is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.182 H 267.5°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#243EAF
RGB	rgb(36, 62, 175)
HSL	hsl(229, 66%, 41%)
HSV	hsv(229, 79%, 69%)
CMYK	cmyk(79.4%, 64.6%, 0%, 31.4%)
CIE-LAB	lab(31.61, 32.27, -62.74)
CIE-LCH	lch(31.61, 70.55, 297.22°)
OKLab	oklab(42.3% -0.008 -0.1816)
OKLCH	oklch(42.3% 0.182 267.5)
XYZ	xyz(10.1853, 6.9143, 41.3469)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243EAF #AF9524

analogous

#2484AF #243EAF #5024AF

triadic

#243EAF #AF243E #3EAF24

tetradic

#243EAF #AF2484 #AF9524 #24AF50

square

#243EAF #AF2484 #AF9524 #24AF50

split-complementary

#243EAF #AF5024 #84AF24

monochromatic

#0F1A49 #1A2C7C #243EAF #3A57D6 #6D82E1

Accessibility & contrast

On white

8.81

#243EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#243EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243EAF

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243EAF	#FFFFFF	#000000	##FFFFFF
##243EAF	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B3

Deuteranopia (green-blind)

#0044AD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #243eaf;
/* rgb */ color: rgb(36, 62, 175);
/* oklch */ color: oklch(42.3% 0.182 267.5);

Tailwind

colors: {
  custom: {
    50: '#7673c8',
    500: '#243eaf',
    950: '#000000',
  },
}

SCSS

$custom: #243eaf;
$custom-light: #7673c8;
$custom-dark: #000000;

JSON

{
  "hex": "#243eaf",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 175
  },
  "hsl": {
    "h": 228.777,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42301,
    "c": 0.18175,
    "h": 267.5
  },
  "luminance": 0.06915
}

Semantic roles & 50–950 ramp

primary

#243EAF

secondary

#C7B568

accent

#C93FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #243EAF

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

Preview Lab → · Contrast checker → · Palette generator →