#1A3363#1A3363

#1A3363 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.0% C 0.090 H 262.0°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#1A3363
RGB	rgb(26, 51, 99)
HSL	hsl(219, 58%, 25%)
HSV	hsv(219, 74%, 39%)
CMYK	cmyk(73.7%, 48.5%, 0%, 61.2%)
CIE-LAB	lab(21.90, 8.52, -31.26)
CIE-LCH	lch(21.90, 32.40, 285.25°)
OKLab	oklab(32.95% -0.0126 -0.0895)
OKLCH	oklch(32.95% 0.09 262)
XYZ	xyz(3.8612, 3.4877, 12.2717)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3363 #634A1A

analogous

#1A5863 #1A3363 #261A63

triadic

#1A3363 #631A33 #33631A

tetradic

#1A3363 #631A58 #634A1A #1A6326

square

#1A3363 #631A58 #634A1A #1A6326

split-complementary

#1A3363 #63261A #58631A

monochromatic

#060C18 #0D1A33 #1A3363 #274C93 #3365C4

Accessibility & contrast

On white

12.37

#1A3363 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1A3363 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3363

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3363	#FFFFFF	#000000	##FFFFFF
##1A3363	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3865

Deuteranopia (green-blind)

#0C3162

Tritanopia (blue-blind)

#003E46

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a3363;
/* rgb */ color: rgb(26, 51, 99);
/* oklch */ color: oklch(33.0% 0.090 262.0);

Tailwind

colors: {
  custom: {
    50: '#616a90',
    500: '#1a3363',
    950: '#000000',
  },
}

SCSS

$custom: #1a3363;
$custom-light: #616a90;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3363",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 99
  },
  "hsl": {
    "h": 219.452,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.32952,
    "c": 0.09036,
    "h": 262
  },
  "luminance": 0.03488
}

Semantic roles & 50–950 ramp

primary

#1A3363

secondary

#997A40

accent

#AC46E2

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1A3363

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

Preview Lab → · Contrast checker → · Palette generator →