#242A8E#242A8E

#242A8E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.162 H 272.1°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#242A8E
RGB	rgb(36, 42, 142)
HSL	hsl(237, 60%, 35%)
HSV	hsv(237, 75%, 56%)
CMYK	cmyk(74.6%, 70.4%, 0%, 44.3%)
CIE-LAB	lab(23.62, 33.04, -55.80)
CIE-LCH	lch(23.62, 64.85, 300.63°)
OKLab	oklab(35.51% 0.0061 -0.1614)
OKLCH	oklch(35.51% 0.162 272.1)
XYZ	xyz(6.4364, 3.9833, 26.0156)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242A8E #8E8824

analogous

#245F8E #242A8E #53248E

triadic

#242A8E #8E242A #2A8E24

tetradic

#242A8E #8E245F #8E8824 #248E53

square

#242A8E #8E245F #8E8824 #248E53

split-complementary

#242A8E #8E5324 #5F8E24

monochromatic

#0B0D2C #181C5D #242A8E #3038BF #585FD5

Accessibility & contrast

On white

11.69

#242A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#242A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242A8E

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242A8E	#FFFFFF	#000000	##FFFFFF
##242A8E	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #242a8e;
/* rgb */ color: rgb(36, 42, 142);
/* oklch */ color: oklch(35.5% 0.162 272.1);

Tailwind

colors: {
  custom: {
    50: '#7064b0',
    500: '#242a8e',
    950: '#000000',
  },
}

SCSS

$custom: #242a8e;
$custom-light: #7064b0;
$custom-dark: #000000;

JSON

{
  "hex": "#242a8e",
  "rgb": {
    "r": 36,
    "g": 42,
    "b": 142
  },
  "hsl": {
    "h": 236.604,
    "s": 59.551,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35514,
    "c": 0.16151,
    "h": 272.1
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#242A8E

secondary

#B9B355

accent

#DA45E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #242A8E

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

Preview Lab → · Contrast checker → · Palette generator →