#1A3161#1A3161

#1A3161 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.3% C 0.090 H 263.1°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#1A3161
RGB	rgb(26, 49, 97)
HSL	hsl(221, 58%, 24%)
HSV	hsv(221, 73%, 38%)
CMYK	cmyk(73.2%, 49.5%, 0%, 62%)
CIE-LAB	lab(21.13, 9.13, -31.19)
CIE-LCH	lch(21.13, 32.50, 286.32°)
OKLab	oklab(32.31% -0.0109 -0.0893)
OKLCH	oklch(32.31% 0.09 263.1)
XYZ	xyz(3.6812, 3.2789, 11.7458)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3161 #614A1A

analogous

#1A5561 #1A3161 #261A61

triadic

#1A3161 #611A31 #31611A

tetradic

#1A3161 #611A55 #614A1A #1A6126

square

#1A3161 #611A55 #614A1A #1A6126

split-complementary

#1A3161 #61261A #55611A

monochromatic

#060C18 #0D1931 #1A3161 #274991 #3462C2

Accessibility & contrast

On white

12.68

#1A3161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1A3161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3161

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3161	#FFFFFF	#000000	##FFFFFF
##1A3161	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183663

Deuteranopia (green-blind)

#0A3060

Tritanopia (blue-blind)

#003C44

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a3161;
/* rgb */ color: rgb(26, 49, 97);
/* oklch */ color: oklch(32.3% 0.090 263.1);

Tailwind

colors: {
  custom: {
    50: '#60688e',
    500: '#1a3161',
    950: '#000000',
  },
}

SCSS

$custom: #1a3161;
$custom-light: #60688e;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3161",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 97
  },
  "hsl": {
    "h": 220.563,
    "s": 57.724,
    "l": 24.118
  },
  "oklch": {
    "l": 0.32314,
    "c": 0.08998,
    "h": 263.1
  },
  "luminance": 0.03279
}

Semantic roles & 50–950 ramp

primary

#1A3161

secondary

#977B40

accent

#AF47E1

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1A3161

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

Preview Lab → · Contrast checker → · Palette generator →