#1D365A#1D365A

#1D365A is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.2% C 0.071 H 257.6°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D365A
RGB	rgb(29, 54, 90)
HSL	hsl(215, 51%, 23%)
HSV	hsv(215, 68%, 35%)
CMYK	cmyk(67.8%, 40%, 0%, 64.7%)
CIE-LAB	lab(22.43, 3.34, -24.51)
CIE-LCH	lch(22.43, 24.73, 277.77°)
OKLab	oklab(33.22% -0.0153 -0.0695)
OKLCH	oklch(33.22% 0.071 257.6)
XYZ	xyz(3.6707, 3.6374, 10.1795)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D365A #5A411D

analogous

#1D545A #1D365A #221D5A

triadic

#1D365A #5A1D36 #365A1D

tetradic

#1D365A #5A1D54 #5A411D #1D5A22

square

#1D365A #5A1D54 #5A411D #1D5A22

split-complementary

#1D365A #5A221D #545A1D

monochromatic

#070E17 #0E1A2C #1D365A #2C5288 #3B6EB7

Accessibility & contrast

On white

12.16

#1D365A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D365A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D365A

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D365A	#FFFFFF	#000000	##FFFFFF
##1D365A	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26395B

Deuteranopia (green-blind)

#1E3359

Tritanopia (blue-blind)

#003E43

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d365a;
/* rgb */ color: rgb(29, 54, 90);
/* oklch */ color: oklch(33.2% 0.071 257.6);

Tailwind

colors: {
  custom: {
    50: '#606c89',
    500: '#1d365a',
    950: '#000000',
  },
}

SCSS

$custom: #1d365a;
$custom-light: #606c89;
$custom-dark: #000000;

JSON

{
  "hex": "#1d365a",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 90
  },
  "hsl": {
    "h": 215.41,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33218,
    "c": 0.07121,
    "h": 257.6
  },
  "luminance": 0.03638
}

Semantic roles & 50–950 ramp

primary

#1D365A

secondary

#8F7044

accent

#A14DDB

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #1D365A

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

Preview Lab → · Contrast checker → · Palette generator →