#242B8B#242B8B

#242B8B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.156 H 272.1°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#242B8B
RGB	rgb(36, 43, 139)
HSL	hsl(236, 59%, 34%)
HSV	hsv(236, 74%, 55%)
CMYK	cmyk(74.1%, 69.1%, 0%, 45.5%)
CIE-LAB	lab(23.56, 31.30, -54.03)
CIE-LCH	lch(23.56, 62.44, 300.08°)
OKLab	oklab(35.38% 0.0058 -0.1562)
OKLCH	oklch(35.38% 0.156 272.1)
XYZ	xyz(6.2501, 3.9663, 24.8573)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242B8B #8B8424

analogous

#245F8B #242B8B #51248B

triadic

#242B8B #8B242B #2B8B24

tetradic

#242B8B #8B245F #8B8424 #248B51

square

#242B8B #8B245F #8B8424 #248B51

split-complementary

#242B8B #8B5124 #5F8B24

monochromatic

#0B0D2A #171C5A #242B8B #313ABC #565FD3

Accessibility & contrast

On white

11.71

#242B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#242B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242B8B

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242B8B	#FFFFFF	#000000	##FFFFFF
##242B8B	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #242b8b;
/* rgb */ color: rgb(36, 43, 139);
/* oklch */ color: oklch(35.4% 0.156 272.1);

Tailwind

colors: {
  custom: {
    50: '#6f64ae',
    500: '#242b8b',
    950: '#000000',
  },
}

SCSS

$custom: #242b8b;
$custom-light: #6f64ae;
$custom-dark: #000000;

JSON

{
  "hex": "#242b8b",
  "rgb": {
    "r": 36,
    "g": 43,
    "b": 139
  },
  "hsl": {
    "h": 235.922,
    "s": 58.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35383,
    "c": 0.15632,
    "h": 272.1
  },
  "luminance": 0.03967
}

Semantic roles & 50–950 ramp

primary

#242B8B

secondary

#B7B153

accent

#D746E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #242B8B

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

Preview Lab → · Contrast checker → · Palette generator →