#1D367B#1D367B

#1D367B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.7% C 0.122 H 265.5°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D367B
RGB	rgb(29, 54, 123)
HSL	hsl(224, 62%, 30%)
HSV	hsv(224, 76%, 48%)
CMYK	cmyk(76.4%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(24.73, 16.65, -42.10)
CIE-LCH	lch(24.73, 45.27, 291.58°)
OKLab	oklab(35.72% -0.0095 -0.1212)
OKLCH	oklch(35.72% 0.122 265.5)
XYZ	xyz(5.3998, 4.3290, 19.2861)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D367B #7B621D

analogous

#1D657B #1D367B #331D7B

triadic

#1D367B #7B1D36 #367B1D

tetradic

#1D367B #7B1D65 #7B621D #1D7B33

square

#1D367B #7B1D65 #7B621D #1D7B33

split-complementary

#1D367B #7B331D #657B1D

monochromatic

#060B19 #112049 #1D367B #294CAD #4067D2

Accessibility & contrast

On white

11.25

#1D367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1D367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D367B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D367B	#FFFFFF	#000000	##FFFFFF
##1D367B	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d367b;
/* rgb */ color: rgb(29, 54, 123);
/* oklch */ color: oklch(35.7% 0.122 265.5);

Tailwind

colors: {
  custom: {
    50: '#676ca2',
    500: '#1d367b',
    950: '#000000',
  },
}

SCSS

$custom: #1d367b;
$custom-light: #676ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d367b",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 224.043,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35715,
    "c": 0.12161,
    "h": 265.5
  },
  "luminance": 0.0433
}

Semantic roles & 50–950 ramp

primary

#1D367B

secondary

#AF9345

accent

#BA43E5

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D367B

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

Preview Lab → · Contrast checker → · Palette generator →