#242C9E#242C9E

#242C9E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.5% C 0.180 H 270.9°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#242C9E
RGB	rgb(36, 44, 158)
HSL	hsl(236, 63%, 38%)
HSV	hsv(236, 77%, 62%)
CMYK	cmyk(77.2%, 72.2%, 0%, 38%)
CIE-LAB	lab(25.70, 37.54, -62.22)
CIE-LCH	lch(25.70, 72.66, 301.10°)
OKLab	oklab(37.5% 0.0029 -0.1801)
OKLCH	oklch(37.5% 0.18 270.9)
XYZ	xyz(7.7977, 4.6442, 32.8266)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242C9E #9E9624

analogous

#24699E #242C9E #59249E

triadic

#242C9E #9E242C #2C9E24

tetradic

#242C9E #9E2469 #9E9624 #249E59

square

#242C9E #9E2469 #9E9624 #249E59

split-complementary

#242C9E #9E5924 #699E24

monochromatic

#0D103A #191E6C #242C9E #2F3AD0 #6169DB

Accessibility & contrast

On white

10.89

#242C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#242C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242C9E

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242C9E	#FFFFFF	#000000	##FFFFFF
##242C9E	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #242c9e;
/* rgb */ color: rgb(36, 44, 158);
/* oklch */ color: oklch(37.5% 0.180 270.9);

Tailwind

colors: {
  custom: {
    50: '#7466bc',
    500: '#242c9e',
    950: '#000000',
  },
}

SCSS

$custom: #242c9e;
$custom-light: #7466bc;
$custom-dark: #000000;

JSON

{
  "hex": "#242c9e",
  "rgb": {
    "r": 36,
    "g": 44,
    "b": 158
  },
  "hsl": {
    "h": 236.066,
    "s": 62.887,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37501,
    "c": 0.18013,
    "h": 270.9
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#242C9E

secondary

#C0BA5E

accent

#DB42E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #242C9E

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

Preview Lab → · Contrast checker → · Palette generator →