#1A3C8A#1A3C8A

#1A3C8A is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.136 H 263.5°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C8A
RGB	rgb(26, 60, 138)
HSL	hsl(222, 68%, 32%)
HSV	hsv(222, 81%, 54%)
CMYK	cmyk(81.2%, 56.5%, 0%, 45.9%)
CIE-LAB	lab(27.53, 18.16, -46.94)
CIE-LCH	lch(27.53, 50.33, 291.15°)
OKLab	oklab(38.17% -0.0154 -0.1354)
OKLCH	oklch(38.17% 0.136 263.5)
XYZ	xyz(6.6277, 5.2855, 24.7107)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C8A #8A681A

analogous

#1A748A #1A3C8A #301A8A

triadic

#1A3C8A #8A1A3C #3C8A1A

tetradic

#1A3C8A #8A1A74 #8A681A #1A8A30

square

#1A3C8A #8A1A74 #8A681A #1A8A30

split-complementary

#1A3C8A #8A301A #748A1A

monochromatic

#070F23 #102657 #1A3C8A #2452BD #4371DC

Accessibility & contrast

On white

10.21

#1A3C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1A3C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C8A

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C8A	#FFFFFF	#000000	##FFFFFF
##1A3C8A	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3c8a;
/* rgb */ color: rgb(26, 60, 138);
/* oklch */ color: oklch(38.2% 0.136 263.5);

Tailwind

colors: {
  custom: {
    50: '#6a71ad',
    500: '#1a3c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c8a;
$custom-light: #6a71ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c8a",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 138
  },
  "hsl": {
    "h": 221.786,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38174,
    "c": 0.13629,
    "h": 263.5
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary

#1A3C8A

secondary

#BD9843

accent

#B63DEB

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1A3C8A

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

Preview Lab → · Contrast checker → · Palette generator →