#1D369C#1D369C

#1D369C is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.7% C 0.168 H 267.0°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D369C
RGB	rgb(29, 54, 156)
HSL	hsl(228, 69%, 36%)
HSV	hsv(228, 81%, 61%)
CMYK	cmyk(81.4%, 65.4%, 0%, 38.8%)
CIE-LAB	lab(27.57, 29.71, -57.93)
CIE-LCH	lch(27.57, 65.10, 297.15°)
OKLab	oklab(38.71% -0.0088 -0.1677)
OKLCH	oklch(38.71% 0.168 267)
XYZ	xyz(7.8245, 5.2989, 32.0565)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D369C #9C831D

analogous

#1D769C #1D369C #441D9C

triadic

#1D369C #9C1D36 #369C1D

tetradic

#1D369C #9C1D76 #9C831D #1D9C44

square

#1D369C #9C1D76 #9C831D #1D9C44

split-complementary

#1D369C #9C441D #769C1D

monochromatic

#0A1235 #132468 #1D369C #2748D0 #5470DF

Accessibility & contrast

On white

10.19

#1D369C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1D369C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D369C

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D369C	#FFFFFF	#000000	##FFFFFF
##1D369C	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d369c;
/* rgb */ color: rgb(29, 54, 156);
/* oklch */ color: oklch(38.7% 0.168 267.0);

Tailwind

colors: {
  custom: {
    50: '#706cba',
    500: '#1d369c',
    950: '#000000',
  },
}

SCSS

$custom: #1d369c;
$custom-light: #706cba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d369c",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 156
  },
  "hsl": {
    "h": 228.189,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38715,
    "c": 0.16793,
    "h": 267
  },
  "luminance": 0.053
}

Semantic roles & 50–950 ramp

primary

#1D369C

secondary

#C2AC52

accent

#C93CEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1D369C

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

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