#1A3373#1A3373

#1A3373 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.115 H 264.8°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A3373
RGB	rgb(26, 51, 115)
HSL	hsl(223, 63%, 28%)
HSV	hsv(223, 77%, 45%)
CMYK	cmyk(77.4%, 55.7%, 0%, 54.9%)
CIE-LAB	lab(23.08, 15.10, -39.69)
CIE-LCH	lch(23.08, 42.46, 290.84°)
OKLab	oklab(34.23% -0.0103 -0.1143)
OKLCH	oklch(34.23% 0.115 264.8)
XYZ	xyz(4.7032, 3.8246, 16.7067)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3373 #735A1A

analogous

#1A6073 #1A3373 #2D1A73

triadic

#1A3373 #731A33 #33731A

tetradic

#1A3373 #731A60 #735A1A #1A732D

square

#1A3373 #731A60 #735A1A #1A732D

split-complementary

#1A3373 #732D1A #60731A

monochromatic

#060B19 #0F1D41 #1A3373 #2549A5 #3662D2

Accessibility & contrast

On white

11.90

#1A3373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1A3373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3373

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3373	#FFFFFF	#000000	##FFFFFF
##1A3373	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043B75

Deuteranopia (green-blind)

#003372

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a3373;
/* rgb */ color: rgb(26, 51, 115);
/* oklch */ color: oklch(34.2% 0.115 264.8);

Tailwind

colors: {
  custom: {
    50: '#656a9c',
    500: '#1a3373',
    950: '#000000',
  },
}

SCSS

$custom: #1a3373;
$custom-light: #656a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3373",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 115
  },
  "hsl": {
    "h": 223.146,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34232,
    "c": 0.11474,
    "h": 264.8
  },
  "luminance": 0.03825
}

Semantic roles & 50–950 ramp

primary

#1A3373

secondary

#A88B41

accent

#B842E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3373

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

Preview Lab → · Contrast checker → · Palette generator →