#1A3C7D#1A3C7D

#1A3C7D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.1% C 0.118 H 261.8°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C7D
RGB	rgb(26, 60, 125)
HSL	hsl(219, 66%, 30%)
HSV	hsv(219, 79%, 49%)
CMYK	cmyk(79.2%, 52%, 0%, 51%)
CIE-LAB	lab(26.54, 12.84, -40.44)
CIE-LCH	lch(26.54, 42.43, 287.61°)
OKLab	oklab(37.1% -0.0168 -0.1163)
OKLCH	oklch(37.1% 0.118 261.8)
XYZ	xyz(5.7422, 4.9313, 20.0473)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C7D #7D5B1A

analogous

#1A6E7D #1A3C7D #2A1A7D

triadic

#1A3C7D #7D1A3C #3C7D1A

tetradic

#1A3C7D #7D1A6E #7D5B1A #1A7D2A

square

#1A3C7D #7D1A6E #7D5B1A #1A7D2A

split-complementary

#1A3C7D #7D2A1A #6E7D1A

monochromatic

#050C19 #0F244A #1A3C7D #2554B0 #3B70D6

Accessibility & contrast

On white

10.57

#1A3C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1A3C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C7D

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C7D	#FFFFFF	#000000	##FFFFFF
##1A3C7D	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14447F

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3c7d;
/* rgb */ color: rgb(26, 60, 125);
/* oklch */ color: oklch(37.1% 0.118 261.8);

Tailwind

colors: {
  custom: {
    50: '#6771a3',
    500: '#1a3c7d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c7d;
$custom-light: #6771a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c7d",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 125
  },
  "hsl": {
    "h": 219.394,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37103,
    "c": 0.11751,
    "h": 261.8
  },
  "luminance": 0.04932
}

Semantic roles & 50–950 ramp

primary

#1A3C7D

secondary

#B18B42

accent

#AE3FE9

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3C7D

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

Preview Lab → · Contrast checker → · Palette generator →