#1A3E84#1A3E84

#1A3E84 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.125 H 261.9°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E84
RGB	rgb(26, 62, 132)
HSL	hsl(220, 67%, 31%)
HSV	hsv(220, 80%, 52%)
CMYK	cmyk(80.3%, 53%, 0%, 48.2%)
CIE-LAB	lab(27.66, 14.31, -43.01)
CIE-LCH	lch(27.66, 45.33, 288.40°)
OKLab	oklab(38.12% -0.0176 -0.1238)
OKLCH	oklch(38.12% 0.125 261.9)
XYZ	xyz(6.3120, 5.3301, 22.5215)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E84 #84601A

analogous

#1A7384 #1A3E84 #2B1A84

triadic

#1A3E84 #841A3E #3E841A

tetradic

#1A3E84 #841A73 #84601A #1A842B

square

#1A3E84 #841A73 #84601A #1A842B

split-complementary

#1A3E84 #842B1A #73841A

monochromatic

#060E1E #102651 #1A3E84 #2456B7 #3F73D9

Accessibility & contrast

On white

10.16

#1A3E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1A3E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E84

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E84	#FFFFFF	#000000	##FFFFFF
##1A3E84	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104687

Deuteranopia (green-blind)

#003D83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3e84;
/* rgb */ color: rgb(26, 62, 132);
/* oklch */ color: oklch(38.1% 0.125 261.9);

Tailwind

colors: {
  custom: {
    50: '#6872a8',
    500: '#1a3e84',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e84;
$custom-light: #6872a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e84",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 132
  },
  "hsl": {
    "h": 219.623,
    "s": 67.089,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3812,
    "c": 0.12508,
    "h": 261.9
  },
  "luminance": 0.05331
}

Semantic roles & 50–950 ramp

primary

#1A3E84

secondary

#B89042

accent

#B03EEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A3E84

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

Preview Lab → · Contrast checker → · Palette generator →