#242A8F#242A8F

#242A8F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.163 H 272.1°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#242A8F
RGB	rgb(36, 42, 143)
HSL	hsl(237, 60%, 35%)
HSV	hsv(237, 75%, 56%)
CMYK	cmyk(74.8%, 70.6%, 0%, 43.9%)
CIE-LAB	lab(23.72, 33.40, -56.26)
CIE-LCH	lch(23.72, 65.43, 300.70°)
OKLab	oklab(35.62% 0.0059 -0.1627)
OKLCH	oklch(35.62% 0.163 272.1)
XYZ	xyz(6.5118, 4.0135, 26.4128)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242A8F #8F8924

analogous

#245F8F #242A8F #54248F

triadic

#242A8F #8F242A #2A8F24

tetradic

#242A8F #8F245F #8F8924 #248F54

square

#242A8F #8F245F #8F8924 #248F54

split-complementary

#242A8F #8F5424 #5F8F24

monochromatic

#0B0D2D #181C5E #242A8F #3038C0 #585FD5

Accessibility & contrast

On white

11.65

#242A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#242A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242A8F

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242A8F	#FFFFFF	#000000	##FFFFFF
##242A8F	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #242a8f;
/* rgb */ color: rgb(36, 42, 143);
/* oklch */ color: oklch(35.6% 0.163 272.1);

Tailwind

colors: {
  custom: {
    50: '#7064b1',
    500: '#242a8f',
    950: '#000000',
  },
}

SCSS

$custom: #242a8f;
$custom-light: #7064b1;
$custom-dark: #000000;

JSON

{
  "hex": "#242a8f",
  "rgb": {
    "r": 36,
    "g": 42,
    "b": 143
  },
  "hsl": {
    "h": 236.636,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35616,
    "c": 0.16284,
    "h": 272.1
  },
  "luminance": 0.04014
}

Semantic roles & 50–950 ramp

primary

#242A8F

secondary

#B9B455

accent

#DA45E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #242A8F

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

Preview Lab → · Contrast checker → · Palette generator →