#1A28A0#1A28A0

#1A28A0 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.6% C 0.189 H 268.3°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#1A28A0
RGB	rgb(26, 40, 160)
HSL	hsl(234, 72%, 36%)
HSV	hsv(234, 84%, 63%)
CMYK	cmyk(83.8%, 75%, 0%, 37.3%)
CIE-LAB	lab(24.56, 39.90, -65.33)
CIE-LCH	lch(24.56, 76.55, 301.42°)
OKLab	oklab(36.62% -0.0057 -0.1893)
OKLCH	oklch(36.62% 0.189 268.3)
XYZ	xyz(7.5278, 4.2744, 33.6792)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A28A0 #A0921A

analogous

#1A6BA0 #1A28A0 #4F1AA0

triadic

#1A28A0 #A01A28 #28A01A

tetradic

#1A28A0 #A01A6B #A0921A #1AA04F

square

#1A28A0 #A01A6B #A0921A #1AA04F

split-complementary

#1A28A0 #A04F1A #6BA01A

monochromatic

#090E37 #111B6B #1A28A0 #2335D5 #5261E3

Accessibility & contrast

On white

11.32

#1A28A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1A28A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A28A0

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A28A0	#FFFFFF	#000000	##FFFFFF
##1A28A0	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A4

Deuteranopia (green-blind)

#00349E

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a28a0;
/* rgb */ color: rgb(26, 40, 160);
/* oklch */ color: oklch(36.6% 0.189 268.3);

Tailwind

colors: {
  custom: {
    50: '#7263bd',
    500: '#1a28a0',
    950: '#000000',
  },
}

SCSS

$custom: #1a28a0;
$custom-light: #7263bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a28a0",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 160
  },
  "hsl": {
    "h": 233.731,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36619,
    "c": 0.18942,
    "h": 268.3
  },
  "luminance": 0.04275
}

Semantic roles & 50–950 ramp

primary

#1A28A0

secondary

#C5B950

accent

#DC39EF

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #1A28A0

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

Preview Lab → · Contrast checker → · Palette generator →