#1D365D#1D365D

#1D365D is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.4% C 0.076 H 259.0°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D365D
RGB	rgb(29, 54, 93)
HSL	hsl(217, 52%, 24%)
HSV	hsv(217, 69%, 36%)
CMYK	cmyk(68.8%, 41.9%, 0%, 63.5%)
CIE-LAB	lab(22.62, 4.53, -26.19)
CIE-LCH	lch(22.62, 26.57, 279.81°)
OKLab	oklab(33.42% -0.0145 -0.0745)
OKLCH	oklch(33.42% 0.076 259)
XYZ	xyz(3.8009, 3.6895, 10.8656)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D365D #5D441D

analogous

#1D565D #1D365D #241D5D

triadic

#1D365D #5D1D36 #365D1D

tetradic

#1D365D #5D1D56 #5D441D #1D5D24

square

#1D365D #5D1D56 #5D441D #1D5D24

split-complementary

#1D365D #5D241D #565D1D

monochromatic

#070E17 #0E1B2E #1D365D #2C518C #3A6CBA

Accessibility & contrast

On white

12.08

#1D365D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D365D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D365D

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D365D	#FFFFFF	#000000	##FFFFFF
##1D365D	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25395F

Deuteranopia (green-blind)

#1C335C

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d365d;
/* rgb */ color: rgb(29, 54, 93);
/* oklch */ color: oklch(33.4% 0.076 259.0);

Tailwind

colors: {
  custom: {
    50: '#606c8b',
    500: '#1d365d',
    950: '#000000',
  },
}

SCSS

$custom: #1d365d;
$custom-light: #606c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d365d",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 93
  },
  "hsl": {
    "h": 216.563,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33419,
    "c": 0.07587,
    "h": 259
  },
  "luminance": 0.0369
}

Semantic roles & 50–950 ramp

primary

#1D365D

secondary

#927344

accent

#A44CDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1D365D

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

Preview Lab → · Contrast checker → · Palette generator →