#1A3D8D#1A3D8D

#1A3D8D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.139 H 263.4°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D8D
RGB	rgb(26, 61, 141)
HSL	hsl(222, 69%, 33%)
HSV	hsv(222, 82%, 55%)
CMYK	cmyk(81.6%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(28.06, 18.68, -47.94)
CIE-LCH	lch(28.06, 51.45, 291.29°)
OKLab	oklab(38.65% -0.0159 -0.1383)
OKLCH	oklch(38.65% 0.139 263.4)
XYZ	xyz(6.9007, 5.4794, 25.8881)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D8D #8D6A1A

analogous

#1A768D #1A3D8D #301A8D

triadic

#1A3D8D #8D1A3D #3D8D1A

tetradic

#1A3D8D #8D1A76 #8D6A1A #1A8D30

square

#1A3D8D #8D1A76 #8D6A1A #1A8D30

split-complementary

#1A3D8D #8D301A #768D1A

monochromatic

#071026 #102759 #1A3D8D #2453C1 #4573DD

Accessibility & contrast

On white

10.02

#1A3D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1A3D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D8D

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D8D	#FFFFFF	#000000	##FFFFFF
##1A3D8D	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3d8d;
/* rgb */ color: rgb(26, 61, 141);
/* oklch */ color: oklch(38.6% 0.139 263.4);

Tailwind

colors: {
  custom: {
    50: '#6b71af',
    500: '#1a3d8d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d8d;
$custom-light: #6b71af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d8d",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 221.739,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38646,
    "c": 0.13925,
    "h": 263.4
  },
  "luminance": 0.0548
}

Semantic roles & 50–950 ramp

primary

#1A3D8D

secondary

#BE9945

accent

#B63CEC

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1A3D8D

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

Preview Lab → · Contrast checker → · Palette generator →