#1A3A84#1A3A84

#1A3A84 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.2% C 0.130 H 263.6°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A84
RGB	rgb(26, 58, 132)
HSL	hsl(222, 67%, 31%)
HSV	hsv(222, 80%, 52%)
CMYK	cmyk(80.3%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(26.48, 17.11, -44.92)
CIE-LCH	lch(26.48, 48.06, 290.85°)
OKLab	oklab(37.23% -0.0144 -0.1295)
OKLCH	oklch(37.23% 0.13 263.6)
XYZ	xyz(6.1024, 4.9110, 22.4516)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A84 #84641A

analogous

#1A6F84 #1A3A84 #2F1A84

triadic

#1A3A84 #841A3A #3A841A

tetradic

#1A3A84 #841A6F #84641A #1A842F

square

#1A3A84 #841A6F #84641A #1A842F

split-complementary

#1A3A84 #842F1A #6F841A

monochromatic

#060D1E #102451 #1A3A84 #2450B7 #3F6ED9

Accessibility & contrast

On white

10.59

#1A3A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1A3A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A84

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A84	#FFFFFF	#000000	##FFFFFF
##1A3A84	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004487

Deuteranopia (green-blind)

#003A83

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3a84;
/* rgb */ color: rgb(26, 58, 132);
/* oklch */ color: oklch(37.2% 0.130 263.6);

Tailwind

colors: {
  custom: {
    50: '#696fa8',
    500: '#1a3a84',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a84;
$custom-light: #696fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a84",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 221.887,
    "s": 67.089,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37227,
    "c": 0.13032,
    "h": 263.6
  },
  "luminance": 0.04912
}

Semantic roles & 50–950 ramp

primary

#1A3A84

secondary

#B89442

accent

#B63EEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3A84

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

Preview Lab → · Contrast checker → · Palette generator →