#242B8F#242B8F

#242B8F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.162 H 271.9°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#242B8F
RGB	rgb(36, 43, 143)
HSL	hsl(236, 60%, 35%)
HSV	hsv(236, 75%, 56%)
CMYK	cmyk(74.8%, 69.9%, 0%, 43.9%)
CIE-LAB	lab(23.95, 32.76, -55.87)
CIE-LCH	lch(23.95, 64.77, 300.39°)
OKLab	oklab(35.79% 0.0053 -0.1616)
OKLCH	oklch(35.79% 0.162 271.9)
XYZ	xyz(6.5477, 4.0853, 26.4247)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242B8F #8F8824

analogous

#24608F #242B8F #53248F

triadic

#242B8F #8F242B #2B8F24

tetradic

#242B8F #8F2460 #8F8824 #248F53

square

#242B8F #8F2460 #8F8824 #248F53

split-complementary

#242B8F #8F5324 #608F24

monochromatic

#0B0E2D #181C5E #242B8F #303AC0 #5861D5

Accessibility & contrast

On white

11.56

#242B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#242B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242B8F

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242B8F	#FFFFFF	#000000	##FFFFFF
##242B8F	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #242b8f;
/* rgb */ color: rgb(36, 43, 143);
/* oklch */ color: oklch(35.8% 0.162 271.9);

Tailwind

colors: {
  custom: {
    50: '#7065b1',
    500: '#242b8f',
    950: '#000000',
  },
}

SCSS

$custom: #242b8f;
$custom-light: #7065b1;
$custom-dark: #000000;

JSON

{
  "hex": "#242b8f",
  "rgb": {
    "r": 36,
    "g": 43,
    "b": 143
  },
  "hsl": {
    "h": 236.075,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35786,
    "c": 0.16169,
    "h": 271.9
  },
  "luminance": 0.04086
}

Semantic roles & 50–950 ramp

primary

#242B8F

secondary

#B9B355

accent

#D945E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #242B8F

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

Preview Lab → · Contrast checker → · Palette generator →