#242F9C#242F9C

#242F9C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.174 H 270.5°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#242F9C
RGB	rgb(36, 47, 156)
HSL	hsl(235, 63%, 38%)
HSV	hsv(235, 77%, 61%)
CMYK	cmyk(76.9%, 69.9%, 0%, 38.8%)
CIE-LAB	lab(26.18, 34.94, -60.20)
CIE-LCH	lch(26.18, 69.61, 300.13°)
OKLab	oklab(37.79% 0.0016 -0.1742)
OKLCH	oklch(37.79% 0.174 270.5)
XYZ	xyz(7.7428, 4.8076, 31.9659)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F9C #9C9124

analogous

#246B9C #242F9C #55249C

triadic

#242F9C #9C242F #2F9C24

tetradic

#242F9C #9C246B #9C9124 #249C55

square

#242F9C #9C246B #9C9124 #249C55

split-complementary

#242F9C #9C5524 #6B9C24

monochromatic

#0D1139 #19206A #242F9C #2F3ECE #606BDA

Accessibility & contrast

On white

10.71

#242F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#242F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F9C

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F9C	#FFFFFF	#000000	##FFFFFF
##242F9C	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449F

Deuteranopia (green-blind)

#00389A

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #242f9c;
/* rgb */ color: rgb(36, 47, 156);
/* oklch */ color: oklch(37.8% 0.174 270.5);

Tailwind

colors: {
  custom: {
    50: '#7368ba',
    500: '#242f9c',
    950: '#000000',
  },
}

SCSS

$custom: #242f9c;
$custom-light: #7368ba;
$custom-dark: #000000;

JSON

{
  "hex": "#242f9c",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 156
  },
  "hsl": {
    "h": 234.5,
    "s": 62.5,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37788,
    "c": 0.17425,
    "h": 270.5
  },
  "luminance": 0.04808
}

Semantic roles & 50–950 ramp

primary

#242F9C

secondary

#BFB65C

accent

#D742E6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #242F9C

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

Preview Lab → · Contrast checker → · Palette generator →