#242F8F#242F8F

#242F8F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.157 H 271.0°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#242F8F
RGB	rgb(36, 47, 143)
HSL	hsl(234, 60%, 35%)
HSV	hsv(234, 75%, 56%)
CMYK	cmyk(74.8%, 67.1%, 0%, 43.9%)
CIE-LAB	lab(24.92, 30.16, -54.28)
CIE-LCH	lch(24.92, 62.09, 299.06°)
OKLab	oklab(36.49% 0.0028 -0.1569)
OKLCH	oklch(36.49% 0.157 271)
XYZ	xyz(6.7003, 4.3906, 26.4756)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242F8F #8F8424

analogous

#24648F #242F8F #4F248F

triadic

#242F8F #8F242F #2F8F24

tetradic

#242F8F #8F2464 #8F8424 #248F4F

square

#242F8F #8F2464 #8F8424 #248F4F

split-complementary

#242F8F #8F4F24 #648F24

monochromatic

#0B0F2D #181F5E #242F8F #303FC0 #5865D5

Accessibility & contrast

On white

11.18

#242F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#242F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242F8F

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242F8F	#FFFFFF	#000000	##FFFFFF
##242F8F	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00368D

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #242f8f;
/* rgb */ color: rgb(36, 47, 143);
/* oklch */ color: oklch(36.5% 0.157 271.0);

Tailwind

colors: {
  custom: {
    50: '#7067b1',
    500: '#242f8f',
    950: '#000000',
  },
}

SCSS

$custom: #242f8f;
$custom-light: #7067b1;
$custom-dark: #000000;

JSON

{
  "hex": "#242f8f",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 143
  },
  "hsl": {
    "h": 233.832,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36493,
    "c": 0.15694,
    "h": 271
  },
  "luminance": 0.04391
}

Semantic roles & 50–950 ramp

primary

#242F8F

secondary

#B9AF55

accent

#D345E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #242F8F

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

Preview Lab → · Contrast checker → · Palette generator →