#242C8F#242C8F

#242C8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.161 H 271.7°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#242C8F
RGB	rgb(36, 44, 143)
HSL	hsl(236, 60%, 35%)
HSV	hsv(236, 75%, 56%)
CMYK	cmyk(74.8%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(24.19, 32.12, -55.48)
CIE-LCH	lch(24.19, 64.11, 300.07°)
OKLab	oklab(35.96% 0.0047 -0.1604)
OKLCH	oklch(35.96% 0.161 271.7)
XYZ	xyz(6.5845, 4.1589, 26.4370)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242C8F #8F8724

analogous

#24618F #242C8F #51248F

triadic

#242C8F #8F242C #2C8F24

tetradic

#242C8F #8F2461 #8F8724 #248F51

square

#242C8F #8F2461 #8F8724 #248F51

split-complementary

#242C8F #8F5124 #618F24

monochromatic

#0B0E2D #181D5E #242C8F #303BC0 #5862D5

Accessibility & contrast

On white

11.46

#242C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#242C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242C8F

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242C8F	#FFFFFF	#000000	##FFFFFF
##242C8F	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #242c8f;
/* rgb */ color: rgb(36, 44, 143);
/* oklch */ color: oklch(36.0% 0.161 271.7);

Tailwind

colors: {
  custom: {
    50: '#7065b1',
    500: '#242c8f',
    950: '#000000',
  },
}

SCSS

$custom: #242c8f;
$custom-light: #7065b1;
$custom-dark: #000000;

JSON

{
  "hex": "#242c8f",
  "rgb": {
    "r": 36,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 235.514,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35959,
    "c": 0.16052,
    "h": 271.7
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#242C8F

secondary

#B9B255

accent

#D745E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #242C8F

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

Preview Lab → · Contrast checker → · Palette generator →