#242F9F#242F9F

#242F9F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.1% C 0.178 H 270.4°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#242F9F
RGB	rgb(36, 47, 159)
HSL	hsl(235, 63%, 38%)
HSV	hsv(235, 77%, 62%)
CMYK	cmyk(77.4%, 70.4%, 0%, 37.6%)
CIE-LAB	lab(26.48, 36.03, -61.54)
CIE-LCH	lch(26.48, 71.31, 300.35°)
OKLab	oklab(38.1% 0.0013 -0.1781)
OKLCH	oklch(38.1% 0.178 270.4)
XYZ	xyz(7.9999, 4.9104, 33.3204)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F9F #9F9424

analogous

#246C9F #242F9F #56249F

triadic

#242F9F #9F242F #2F9F24

tetradic

#242F9F #9F246C #9F9424 #249F56

square

#242F9F #9F246C #9F9424 #249F56

split-complementary

#242F9F #9F5624 #6C9F24

monochromatic

#0D113B #19206D #242F9F #303ED0 #626DDB

Accessibility & contrast

On white

10.59

#242F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#242F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F9F

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F9F	#FFFFFF	#000000	##FFFFFF
##242F9F	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #242f9f;
/* rgb */ color: rgb(36, 47, 159);
/* oklch */ color: oklch(38.1% 0.178 270.4);

Tailwind

colors: {
  custom: {
    50: '#7468bc',
    500: '#242f9f',
    950: '#000000',
  },
}

SCSS

$custom: #242f9f;
$custom-light: #7468bc;
$custom-dark: #000000;

JSON

{
  "hex": "#242f9f",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 159
  },
  "hsl": {
    "h": 234.634,
    "s": 63.077,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38095,
    "c": 0.17814,
    "h": 270.4
  },
  "luminance": 0.04911
}

Semantic roles & 50–950 ramp

primary

#242F9F

secondary

#C1B85E

accent

#D742E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #242F9F

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

Preview Lab → · Contrast checker → · Palette generator →