#1A3E85#1A3E85

#1A3E85 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.2% C 0.127 H 262.1°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E85
RGB	rgb(26, 62, 133)
HSL	hsl(220, 67%, 31%)
HSV	hsv(220, 80%, 52%)
CMYK	cmyk(80.5%, 53.4%, 0%, 47.8%)
CIE-LAB	lab(27.73, 14.72, -43.51)
CIE-LCH	lch(27.73, 45.93, 288.69°)
OKLab	oklab(38.2% -0.0175 -0.1253)
OKLCH	oklch(38.2% 0.127 262.1)
XYZ	xyz(6.3807, 5.3576, 22.8836)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E85 #85611A

analogous

#1A7385 #1A3E85 #2B1A85

triadic

#1A3E85 #851A3E #3E851A

tetradic

#1A3E85 #851A73 #85611A #1A852B

square

#1A3E85 #851A73 #85611A #1A852B

split-complementary

#1A3E85 #852B1A #73851A

monochromatic

#060E1F #102652 #1A3E85 #2456B8 #4074DA

Accessibility & contrast

On white

10.14

#1A3E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1A3E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E85

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E85	#FFFFFF	#000000	##FFFFFF
##1A3E85	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4788

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3e85;
/* rgb */ color: rgb(26, 62, 133);
/* oklch */ color: oklch(38.2% 0.127 262.1);

Tailwind

colors: {
  custom: {
    50: '#6972a9',
    500: '#1a3e85',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e85;
$custom-light: #6972a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e85",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 133
  },
  "hsl": {
    "h": 219.813,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38201,
    "c": 0.12652,
    "h": 262.1
  },
  "luminance": 0.05358
}

Semantic roles & 50–950 ramp

primary

#1A3E85

secondary

#B89142

accent

#B03EEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A3E85

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

Preview Lab → · Contrast checker → · Palette generator →