#1A3271#1A3271

#1A3271 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.8% C 0.113 H 265.1°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#1A3271
RGB	rgb(26, 50, 113)
HSL	hsl(223, 63%, 27%)
HSV	hsv(223, 77%, 44%)
CMYK	cmyk(77%, 55.8%, 0%, 55.7%)
CIE-LAB	lab(22.63, 15.00, -39.14)
CIE-LCH	lch(22.63, 41.92, 290.97°)
OKLab	oklab(33.84% -0.0096 -0.1127)
OKLCH	oklch(33.84% 0.113 265.1)
XYZ	xyz(4.5462, 3.6926, 16.0927)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3271 #71591A

analogous

#1A5E71 #1A3271 #2D1A71

triadic

#1A3271 #711A32 #32711A

tetradic

#1A3271 #711A5E #71591A #1A712D

square

#1A3271 #711A5E #71591A #1A712D

split-complementary

#1A3271 #712D1A #5E711A

monochromatic

#060B19 #0F1C3F #1A3271 #2548A3 #3560D0

Accessibility & contrast

On white

12.08

#1A3271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1A3271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3271

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3271	#FFFFFF	#000000	##FFFFFF
##1A3271	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043A73

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a3271;
/* rgb */ color: rgb(26, 50, 113);
/* oklch */ color: oklch(33.8% 0.113 265.1);

Tailwind

colors: {
  custom: {
    50: '#64699a',
    500: '#1a3271',
    950: '#000000',
  },
}

SCSS

$custom: #1a3271;
$custom-light: #64699a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3271",
  "rgb": {
    "r": 26,
    "g": 50,
    "b": 113
  },
  "hsl": {
    "h": 223.448,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33838,
    "c": 0.1131,
    "h": 265.1
  },
  "luminance": 0.03693
}

Semantic roles & 50–950 ramp

primary

#1A3271

secondary

#A68A41

accent

#B942E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3271

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

Preview Lab → · Contrast checker → · Palette generator →