#1A3A82#1A3A82

#1A3A82 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.1% C 0.127 H 263.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A82
RGB	rgb(26, 58, 130)
HSL	hsl(222, 67%, 31%)
HSV	hsv(222, 80%, 51%)
CMYK	cmyk(80%, 55.4%, 0%, 49%)
CIE-LAB	lab(26.32, 16.29, -43.92)
CIE-LCH	lch(26.32, 46.85, 290.35°)
OKLab	oklab(37.06% -0.0146 -0.1266)
OKLCH	oklch(37.06% 0.127 263.4)
XYZ	xyz(5.9669, 4.8567, 21.7377)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A82 #82621A

analogous

#1A6E82 #1A3A82 #2E1A82

triadic

#1A3A82 #821A3A #3A821A

tetradic

#1A3A82 #821A6E #82621A #1A822E

square

#1A3A82 #821A6E #82621A #1A822E

split-complementary

#1A3A82 #822E1A #6E821A

monochromatic

#060C1C #10234F #1A3A82 #2451B5 #3E6ED8

Accessibility & contrast

On white

10.65

#1A3A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1A3A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A82

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A82	#FFFFFF	#000000	##FFFFFF
##1A3A82	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014385

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3a82;
/* rgb */ color: rgb(26, 58, 130);
/* oklch */ color: oklch(37.1% 0.127 263.4);

Tailwind

colors: {
  custom: {
    50: '#686fa7',
    500: '#1a3a82',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a82;
$custom-light: #686fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a82",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 130
  },
  "hsl": {
    "h": 221.538,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37059,
    "c": 0.12743,
    "h": 263.4
  },
  "luminance": 0.04857
}

Semantic roles & 50–950 ramp

primary

#1A3A82

secondary

#B69242

accent

#B53EEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3A82

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

Preview Lab → · Contrast checker → · Palette generator →