#1A2181#1A2181

#1A2181 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.1% C 0.157 H 270.5°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#1A2181
RGB	rgb(26, 33, 129)
HSL	hsl(236, 66%, 30%)
HSV	hsv(236, 80%, 51%)
CMYK	cmyk(79.8%, 74.4%, 0%, 49.4%)
CIE-LAB	lab(19.61, 33.01, -54.28)
CIE-LCH	lch(19.61, 63.53, 301.31°)
OKLab	oklab(32.07% 0.0014 -0.1572)
OKLCH	oklch(32.07% 0.157 270.5)
XYZ	xyz(4.9310, 2.8918, 21.0629)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2181 #817A1A

analogous

#1A5581 #1A2181 #461A81

triadic

#1A2181 #811A21 #21811A

tetradic

#1A2181 #811A55 #817A1A #1A8146

square

#1A2181 #811A55 #817A1A #1A8146

split-complementary

#1A2181 #81461A #55811A

monochromatic

#05071B #10144E #1A2181 #242EB4 #3D48D8

Accessibility & contrast

On white

13.30

#1A2181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1A2181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2181

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2181	#FFFFFF	#000000	##FFFFFF
##1A2181	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003484

Deuteranopia (green-blind)

#002A7F

Tritanopia (blue-blind)

#003C4F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a2181;
/* rgb */ color: rgb(26, 33, 129);
/* oklch */ color: oklch(32.1% 0.157 270.5);

Tailwind

colors: {
  custom: {
    50: '#6a5da7',
    500: '#1a2181',
    950: '#000000',
  },
}

SCSS

$custom: #1a2181;
$custom-light: #6a5da7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2181",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 129
  },
  "hsl": {
    "h": 235.922,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32066,
    "c": 0.15719,
    "h": 270.5
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary

#1A2181

secondary

#B5AD42

accent

#DE3EE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #1A2181

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

Preview Lab → · Contrast checker → · Palette generator →