#1D369A#1D369A

#1D369A is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.165 H 267.0°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#1D369A
RGB	rgb(29, 54, 154)
HSL	hsl(228, 68%, 36%)
HSV	hsv(228, 81%, 60%)
CMYK	cmyk(81.2%, 64.9%, 0%, 39.6%)
CIE-LAB	lab(27.38, 28.94, -57.01)
CIE-LCH	lch(27.38, 63.94, 296.91°)
OKLab	oklab(38.52% -0.0087 -0.165)
OKLCH	oklch(38.52% 0.165 267)
XYZ	xyz(7.6566, 5.2317, 31.1719)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D369A #9A811D

analogous

#1D749A #1D369A #421D9A

triadic

#1D369A #9A1D36 #369A1D

tetradic

#1D369A #9A1D74 #9A811D #1D9A42

square

#1D369A #9A1D74 #9A811D #1D9A42

split-complementary

#1D369A #9A421D #749A1D

monochromatic

#0A1233 #132466 #1D369A #2748CE #536FDF

Accessibility & contrast

On white

10.26

#1D369A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1D369A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D369A

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D369A	#FFFFFF	#000000	##FFFFFF
##1D369A	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#003B98

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d369a;
/* rgb */ color: rgb(29, 54, 154);
/* oklch */ color: oklch(38.5% 0.165 267.0);

Tailwind

colors: {
  custom: {
    50: '#706cb9',
    500: '#1d369a',
    950: '#000000',
  },
}

SCSS

$custom: #1d369a;
$custom-light: #706cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d369a",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 154
  },
  "hsl": {
    "h": 228,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38522,
    "c": 0.16525,
    "h": 267
  },
  "luminance": 0.05233
}

Semantic roles & 50–950 ramp

primary

#1D369A

secondary

#C2AB51

accent

#C83DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1D369A

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

Preview Lab → · Contrast checker → · Palette generator →