#242F9D#242F9D

#242F9D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.176 H 270.5°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#242F9D
RGB	rgb(36, 47, 157)
HSL	hsl(235, 63%, 38%)
HSV	hsv(235, 77%, 62%)
CMYK	cmyk(77.1%, 70.1%, 0%, 38.4%)
CIE-LAB	lab(26.28, 35.30, -60.65)
CIE-LCH	lch(26.28, 70.18, 300.20°)
OKLab	oklab(37.89% 0.0015 -0.1755)
OKLCH	oklch(37.89% 0.176 270.5)
XYZ	xyz(7.8278, 4.8416, 32.4137)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F9D #9D9224

analogous

#246C9D #242F9D #55249D

triadic

#242F9D #9D242F #2F9D24

tetradic

#242F9D #9D246C #9D9224 #249D55

square

#242F9D #9D246C #9D9224 #249D55

split-complementary

#242F9D #9D5524 #6C9D24

monochromatic

#0D1139 #19206B #242F9D #2F3ECF #616CDB

Accessibility & contrast

On white

10.67

#242F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#242F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F9D

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F9D	#FFFFFF	#000000	##FFFFFF
##242F9D	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #242f9d;
/* rgb */ color: rgb(36, 47, 157);
/* oklch */ color: oklch(37.9% 0.176 270.5);

Tailwind

colors: {
  custom: {
    50: '#7368bb',
    500: '#242f9d',
    950: '#000000',
  },
}

SCSS

$custom: #242f9d;
$custom-light: #7368bb;
$custom-dark: #000000;

JSON

{
  "hex": "#242f9d",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 157
  },
  "hsl": {
    "h": 234.545,
    "s": 62.694,
    "l": 37.843
  },
  "oklch": {
    "l": 0.3789,
    "c": 0.17555,
    "h": 270.5
  },
  "luminance": 0.04842
}

Semantic roles & 50–950 ramp

primary

#242F9D

secondary

#C0B75D

accent

#D742E6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #242F9D

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

Preview Lab → · Contrast checker → · Palette generator →