#243BAF#243BAF

#243BAF is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.185 H 268.0°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#243BAF
RGB	rgb(36, 59, 175)
HSL	hsl(230, 66%, 41%)
HSV	hsv(230, 79%, 69%)
CMYK	cmyk(79.4%, 66.3%, 0%, 31.4%)
CIE-LAB	lab(30.87, 34.22, -63.96)
CIE-LCH	lch(30.87, 72.54, 298.15°)
OKLab	oklab(41.76% -0.0063 -0.1851)
OKLCH	oklch(41.76% 0.185 268)
XYZ	xyz(10.0267, 6.5970, 41.2940)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243BAF #AF9824

analogous

#2481AF #243BAF #5324AF

triadic

#243BAF #AF243B #3BAF24

tetradic

#243BAF #AF2481 #AF9824 #24AF53

square

#243BAF #AF2481 #AF9824 #24AF53

split-complementary

#243BAF #AF5324 #81AF24

monochromatic

#0F1949 #1A2A7C #243BAF #3A54D6 #6D80E1

Accessibility & contrast

On white

9.05

#243BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#243BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243BAF

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243BAF	#FFFFFF	#000000	##FFFFFF
##243BAF	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #243baf;
/* rgb */ color: rgb(36, 59, 175);
/* oklch */ color: oklch(41.8% 0.185 268.0);

Tailwind

colors: {
  custom: {
    50: '#7771c8',
    500: '#243baf',
    950: '#000000',
  },
}

SCSS

$custom: #243baf;
$custom-light: #7771c8;
$custom-dark: #000000;

JSON

{
  "hex": "#243baf",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 175
  },
  "hsl": {
    "h": 230.072,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41758,
    "c": 0.18526,
    "h": 268
  },
  "luminance": 0.06598
}

Semantic roles & 50–950 ramp

primary

#243BAF

secondary

#C7B768

accent

#CD3FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #243BAF

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

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