#243C95#243C95

#243C95 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.149 H 267.5°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#243C95
RGB	rgb(36, 60, 149)
HSL	hsl(227, 61%, 36%)
HSV	hsv(227, 76%, 58%)
CMYK	cmyk(75.8%, 59.7%, 0%, 41.6%)
CIE-LAB	lab(28.84, 23.69, -51.57)
CIE-LCH	lch(28.84, 56.75, 294.68°)
OKLab	oklab(39.55% -0.0065 -0.1488)
OKLCH	oklch(39.55% 0.149 267.5)
XYZ	xyz(7.7663, 5.7759, 29.1335)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C95 #957D24

analogous

#247595 #243C95 #452495

triadic

#243C95 #95243C #3C9524

tetradic

#243C95 #952475 #957D24 #249545

square

#243C95 #952475 #957D24 #249545

split-complementary

#243C95 #954524 #759524

monochromatic

#0C1432 #182864 #243C95 #3050C6 #5C76D8

Accessibility & contrast

On white

9.74

#243C95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#243C95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C95

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C95	#FFFFFF	#000000	##FFFFFF
##243C95	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004998

Deuteranopia (green-blind)

#003F93

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #243c95;
/* rgb */ color: rgb(36, 60, 149);
/* oklch */ color: oklch(39.6% 0.149 267.5);

Tailwind

colors: {
  custom: {
    50: '#7071b5',
    500: '#243c95',
    950: '#000000',
  },
}

SCSS

$custom: #243c95;
$custom-light: #7071b5;
$custom-dark: #000000;

JSON

{
  "hex": "#243c95",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 149
  },
  "hsl": {
    "h": 227.257,
    "s": 61.081,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39551,
    "c": 0.14898,
    "h": 267.5
  },
  "luminance": 0.05777
}

Semantic roles & 50–950 ramp

primary

#243C95

secondary

#BCA759

accent

#C244E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243C95

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

Preview Lab → · Contrast checker → · Palette generator →