#1A3374#1A3374

#1A3374 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.3% C 0.116 H 265.0°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#1A3374
RGB	rgb(26, 51, 116)
HSL	hsl(223, 63%, 28%)
HSV	hsv(223, 78%, 45%)
CMYK	cmyk(77.6%, 56%, 0%, 54.5%)
CIE-LAB	lab(23.16, 15.52, -40.20)
CIE-LCH	lch(23.16, 43.09, 291.10°)
OKLab	oklab(34.32% -0.0102 -0.1158)
OKLCH	oklch(34.32% 0.116 265)
XYZ	xyz(4.7611, 3.8477, 17.0114)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3374 #745B1A

analogous

#1A6074 #1A3374 #2E1A74

triadic

#1A3374 #741A33 #33741A

tetradic

#1A3374 #741A60 #745B1A #1A742E

square

#1A3374 #741A60 #745B1A #1A742E

split-complementary

#1A3374 #742E1A #60741A

monochromatic

#060B19 #0F1D42 #1A3374 #2549A6 #3662D2

Accessibility & contrast

On white

11.87

#1A3374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1A3374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3374

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3374	#FFFFFF	#000000	##FFFFFF
##1A3374	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023C76

Deuteranopia (green-blind)

#003373

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a3374;
/* rgb */ color: rgb(26, 51, 116);
/* oklch */ color: oklch(34.3% 0.116 265.0);

Tailwind

colors: {
  custom: {
    50: '#656a9d',
    500: '#1a3374',
    950: '#000000',
  },
}

SCSS

$custom: #1a3374;
$custom-light: #656a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3374",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 116
  },
  "hsl": {
    "h": 223.333,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34317,
    "c": 0.11622,
    "h": 265
  },
  "luminance": 0.03848
}

Semantic roles & 50–950 ramp

primary

#1A3374

secondary

#A98C41

accent

#B941E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3374

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

Preview Lab → · Contrast checker → · Palette generator →