#1A3471#1A3471

#1A3471 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.110 H 264.1°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#1A3471
RGB	rgb(26, 52, 113)
HSL	hsl(222, 63%, 27%)
HSV	hsv(222, 77%, 44%)
CMYK	cmyk(77%, 54%, 0%, 55.7%)
CIE-LAB	lab(23.23, 13.57, -38.17)
CIE-LCH	lch(23.23, 40.51, 289.57°)
OKLab	oklab(34.29% -0.0114 -0.1098)
OKLCH	oklch(34.29% 0.11 264.1)
XYZ	xyz(4.6336, 3.8673, 16.1219)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3471 #71571A

analogous

#1A6071 #1A3471 #2C1A71

triadic

#1A3471 #711A34 #34711A

tetradic

#1A3471 #711A60 #71571A #1A712C

square

#1A3471 #711A60 #71571A #1A712C

split-complementary

#1A3471 #712C1A #60711A

monochromatic

#060B19 #0F1D3F #1A3471 #254BA3 #3563D0

Accessibility & contrast

On white

11.84

#1A3471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1A3471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3471

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3471	#FFFFFF	#000000	##FFFFFF
##1A3471	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3C73

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a3471;
/* rgb */ color: rgb(26, 52, 113);
/* oklch */ color: oklch(34.3% 0.110 264.1);

Tailwind

colors: {
  custom: {
    50: '#646b9a',
    500: '#1a3471',
    950: '#000000',
  },
}

SCSS

$custom: #1a3471;
$custom-light: #646b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3471",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 113
  },
  "hsl": {
    "h": 222.069,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34293,
    "c": 0.11038,
    "h": 264.1
  },
  "luminance": 0.03868
}

Semantic roles & 50–950 ramp

primary

#1A3471

secondary

#A68841

accent

#B542E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3471

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

Preview Lab → · Contrast checker → · Palette generator →