#2428AF#2428AF

#2428AF is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 38.8% C 0.205 H 270.5°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2428AF
RGB	rgb(36, 40, 175)
HSL	hsl(238, 66%, 41%)
HSV	hsv(238, 79%, 69%)
CMYK	cmyk(79.4%, 77.1%, 0%, 31.4%)
CIE-LAB	lab(26.70, 45.71, -70.84)
CIE-LCH	lch(26.70, 84.31, 302.83°)
OKLab	oklab(38.76% 0.0018 -0.2051)
OKLCH	oklch(38.76% 0.205 270.5)
XYZ	xyz(9.2216, 4.9868, 41.0257)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2428AF #AFAB24

analogous

#246EAF #2428AF #6624AF

triadic

#2428AF #AF2428 #28AF24

tetradic

#2428AF #AF246E #AFAB24 #24AF66

square

#2428AF #AF246E #AFAB24 #24AF66

split-complementary

#2428AF #AF6624 #6EAF24

monochromatic

#0F1149 #1A1C7C #2428AF #3A3ED6 #6D70E1

Accessibility & contrast

On white

10.51

#2428AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2428AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2428AF

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2428AF	#FFFFFF	#000000	##FFFFFF
##2428AF	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B3

Deuteranopia (green-blind)

#0038AD

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2428af;
/* rgb */ color: rgb(36, 40, 175);
/* oklch */ color: oklch(38.8% 0.205 270.5);

Tailwind

colors: {
  custom: {
    50: '#7964c8',
    500: '#2428af',
    950: '#000000',
  },
}

SCSS

$custom: #2428af;
$custom-light: #7964c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2428af",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 175
  },
  "hsl": {
    "h": 238.273,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38755,
    "c": 0.20516,
    "h": 270.5
  },
  "luminance": 0.04988
}

Semantic roles & 50–950 ramp

primary

#2428AF

secondary

#C7C468

accent

#E43FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2428AF

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

Preview Lab → · Contrast checker → · Palette generator →