#1A3972#1A3972

#1A3972 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.105 H 261.3°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A3972
RGB	rgb(26, 57, 114)
HSL	hsl(219, 63%, 27%)
HSV	hsv(219, 77%, 45%)
CMYK	cmyk(77.2%, 50%, 0%, 55.3%)
CIE-LAB	lab(24.83, 10.43, -36.23)
CIE-LCH	lch(24.83, 37.70, 286.05°)
OKLab	oklab(35.54% -0.0159 -0.104)
OKLCH	oklch(35.54% 0.105 261.3)
XYZ	xyz(4.9253, 4.3602, 16.4984)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3972 #72531A

analogous

#1A6572 #1A3972 #271A72

triadic

#1A3972 #721A39 #39721A

tetradic

#1A3972 #721A65 #72531A #1A7227

square

#1A3972 #721A65 #72531A #1A7227

split-complementary

#1A3972 #72271A #65721A

monochromatic

#060C19 #0F2040 #1A3972 #2552A4 #356CD1

Accessibility & contrast

On white

11.22

#1A3972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1A3972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3972

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3972	#FFFFFF	#000000	##FFFFFF
##1A3972	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F74

Deuteranopia (green-blind)

#023771

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a3972;
/* rgb */ color: rgb(26, 57, 114);
/* oklch */ color: oklch(35.5% 0.105 261.3);

Tailwind

colors: {
  custom: {
    50: '#646e9b',
    500: '#1a3972',
    950: '#000000',
  },
}

SCSS

$custom: #1a3972;
$custom-light: #646e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3972",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 114
  },
  "hsl": {
    "h": 218.864,
    "s": 62.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35539,
    "c": 0.10518,
    "h": 261.3
  },
  "luminance": 0.04361
}

Semantic roles & 50–950 ramp

primary

#1A3972

secondary

#A78341

accent

#AC42E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1A3972

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

Preview Lab → · Contrast checker → · Palette generator →