#2428AD#2428AD

#2428AD is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.5% C 0.203 H 270.6°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#2428AD
RGB	rgb(36, 40, 173)
HSL	hsl(238, 66%, 41%)
HSV	hsv(238, 79%, 68%)
CMYK	cmyk(79.2%, 76.9%, 0%, 32.2%)
CIE-LAB	lab(26.47, 45.05, -70.01)
CIE-LCH	lch(26.47, 83.25, 302.76°)
OKLab	oklab(38.53% 0.0022 -0.2027)
OKLCH	oklch(38.53% 0.203 270.6)
XYZ	xyz(9.0266, 4.9088, 39.9988)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2428AD #ADA924

analogous

#246CAD #2428AD #6424AD

triadic

#2428AD #AD2428 #28AD24

tetradic

#2428AD #AD246C #ADA924 #24AD64

square

#2428AD #AD246C #ADA924 #24AD64

split-complementary

#2428AD #AD6424 #6CAD24

monochromatic

#0F1148 #191C7A #2428AD #393DD6 #6B6FE0

Accessibility & contrast

On white

10.60

#2428AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2428AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2428AD

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2428AD	#FFFFFF	#000000	##FFFFFF
##2428AD	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2428ad;
/* rgb */ color: rgb(36, 40, 173);
/* oklch */ color: oklch(38.5% 0.203 270.6);

Tailwind

colors: {
  custom: {
    50: '#7864c7',
    500: '#2428ad',
    950: '#000000',
  },
}

SCSS

$custom: #2428ad;
$custom-light: #7864c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2428ad",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 173
  },
  "hsl": {
    "h": 238.248,
    "s": 65.55,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38532,
    "c": 0.20275,
    "h": 270.6
  },
  "luminance": 0.0491
}

Semantic roles & 50–950 ramp

primary

#2428AD

secondary

#C6C466

accent

#E43FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2428AD

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

Preview Lab → · Contrast checker → · Palette generator →