#1A3D7E#1A3D7E

#1A3D7E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.118 H 261.4°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D7E
RGB	rgb(26, 61, 126)
HSL	hsl(219, 66%, 30%)
HSV	hsv(219, 79%, 49%)
CMYK	cmyk(79.4%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(26.91, 12.55, -40.46)
CIE-LCH	lch(26.91, 42.36, 287.23°)
OKLab	oklab(37.41% -0.0176 -0.1163)
OKLCH	oklch(37.41% 0.118 261.4)
XYZ	xyz(5.8593, 5.0628, 20.4030)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D7E #7E5B1A

analogous

#1A6F7E #1A3D7E #291A7E

triadic

#1A3D7E #7E1A3D #3D7E1A

tetradic

#1A3D7E #7E1A6F #7E5B1A #1A7E29

square

#1A3D7E #7E1A6F #7E5B1A #1A7E29

split-complementary

#1A3D7E #7E291A #6F7E1A

monochromatic

#050C19 #10244B #1A3D7E #2456B1 #3C72D7

Accessibility & contrast

On white

10.43

#1A3D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1A3D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D7E

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D7E	#FFFFFF	#000000	##FFFFFF
##1A3D7E	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164480

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3d7e;
/* rgb */ color: rgb(26, 61, 126);
/* oklch */ color: oklch(37.4% 0.118 261.4);

Tailwind

colors: {
  custom: {
    50: '#6771a4',
    500: '#1a3d7e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d7e;
$custom-light: #6771a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d7e",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 219,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37412,
    "c": 0.11767,
    "h": 261.4
  },
  "luminance": 0.05063
}

Semantic roles & 50–950 ramp

primary

#1A3D7E

secondary

#B28B42

accent

#AD3FE9

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3D7E

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

Preview Lab → · Contrast checker → · Palette generator →