#1A3D85#1A3D85

#1A3D85 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.0% C 0.128 H 262.5°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D85
RGB	rgb(26, 61, 133)
HSL	hsl(220, 67%, 31%)
HSV	hsv(220, 80%, 52%)
CMYK	cmyk(80.5%, 54.1%, 0%, 47.8%)
CIE-LAB	lab(27.43, 15.42, -43.99)
CIE-LCH	lch(27.43, 46.61, 289.32°)
OKLab	oklab(37.98% -0.0167 -0.1267)
OKLCH	oklch(37.98% 0.128 262.5)
XYZ	xyz(6.3269, 5.2498, 22.8656)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D85 #85621A

analogous

#1A7285 #1A3D85 #2C1A85

triadic

#1A3D85 #851A3D #3D851A

tetradic

#1A3D85 #851A72 #85621A #1A852C

square

#1A3D85 #851A72 #85621A #1A852C

split-complementary

#1A3D85 #852C1A #72851A

monochromatic

#060E1F #102652 #1A3D85 #2454B8 #4072DA

Accessibility & contrast

On white

10.24

#1A3D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1A3D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D85

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D85	#FFFFFF	#000000	##FFFFFF
##1A3D85	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094688

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3d85;
/* rgb */ color: rgb(26, 61, 133);
/* oklch */ color: oklch(38.0% 0.128 262.5);

Tailwind

colors: {
  custom: {
    50: '#6971a9',
    500: '#1a3d85',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d85;
$custom-light: #6971a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d85",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 133
  },
  "hsl": {
    "h": 220.374,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37976,
    "c": 0.12783,
    "h": 262.5
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary

#1A3D85

secondary

#B89242

accent

#B23EEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3D85

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

Preview Lab → · Contrast checker → · Palette generator →