#1D336F#1D336F

#1D336F is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.108 H 265.8°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D336F
RGB	rgb(29, 51, 111)
HSL	hsl(224, 59%, 27%)
HSV	hsv(224, 74%, 44%)
CMYK	cmyk(73.9%, 54.1%, 0%, 56.5%)
CIE-LAB	lab(22.92, 13.92, -37.39)
CIE-LCH	lch(22.92, 39.89, 290.42°)
OKLab	oklab(34.05% -0.008 -0.1074)
OKLCH	oklch(34.05% 0.108 265.8)
XYZ	xyz(4.5588, 3.7761, 15.5245)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D336F #6F591D

analogous

#1D5C6F #1D336F #301D6F

triadic

#1D336F #6F1D33 #336F1D

tetradic

#1D336F #6F1D5C #6F591D #1D6F30

square

#1D336F #6F1D5C #6F591D #1D6F30

split-complementary

#1D336F #6F301D #5C6F1D

monochromatic

#060B18 #101D3E #1D336F #2A49A0 #3B62CC

Accessibility & contrast

On white

11.96

#1D336F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D336F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D336F

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D336F	#FFFFFF	#000000	##FFFFFF
##1D336F	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3B71

Deuteranopia (green-blind)

#00336E

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d336f;
/* rgb */ color: rgb(29, 51, 111);
/* oklch */ color: oklch(34.0% 0.108 265.8);

Tailwind

colors: {
  custom: {
    50: '#656a99',
    500: '#1d336f',
    950: '#000000',
  },
}

SCSS

$custom: #1d336f;
$custom-light: #656a99;
$custom-dark: #000000;

JSON

{
  "hex": "#1d336f",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 111
  },
  "hsl": {
    "h": 223.902,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34048,
    "c": 0.10774,
    "h": 265.8
  },
  "luminance": 0.03777
}

Semantic roles & 50–950 ramp

primary

#1D336F

secondary

#A38A44

accent

#B846E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D336F

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

Preview Lab → · Contrast checker → · Palette generator →