#1A3E80#1A3E80

#1A3E80 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.119 H 261.3°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E80
RGB	rgb(26, 62, 128)
HSL	hsl(219, 66%, 30%)
HSV	hsv(219, 80%, 50%)
CMYK	cmyk(79.7%, 51.6%, 0%, 49.8%)
CIE-LAB	lab(27.36, 12.67, -40.99)
CIE-LCH	lch(27.36, 42.90, 287.17°)
OKLab	oklab(37.8% -0.0181 -0.1179)
OKLCH	oklch(37.8% 0.119 261.3)
XYZ	xyz(6.0435, 5.2227, 21.1075)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E80 #805C1A

analogous

#1A7180 #1A3E80 #291A80

triadic

#1A3E80 #801A3E #3E801A

tetradic

#1A3E80 #801A71 #805C1A #1A8029

square

#1A3E80 #801A71 #805C1A #1A8029

split-complementary

#1A3E80 #80291A #71801A

monochromatic

#050D1A #10254D #1A3E80 #2457B3 #3D73D8

Accessibility & contrast

On white

10.27

#1A3E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1A3E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E80

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E80	#FFFFFF	#000000	##FFFFFF
##1A3E80	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164682

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3e80;
/* rgb */ color: rgb(26, 62, 128);
/* oklch */ color: oklch(37.8% 0.119 261.3);

Tailwind

colors: {
  custom: {
    50: '#6772a5',
    500: '#1a3e80',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e80;
$custom-light: #6772a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e80",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 218.824,
    "s": 66.234,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37801,
    "c": 0.11928,
    "h": 261.3
  },
  "luminance": 0.05223
}

Semantic roles & 50–950 ramp

primary

#1A3E80

secondary

#B48C42

accent

#AD3FE9

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A3E80

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

Preview Lab → · Contrast checker → · Palette generator →