#1D336D#1D336D

#1D336D is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.105 H 265.5°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D336D
RGB	rgb(29, 51, 109)
HSL	hsl(224, 58%, 27%)
HSV	hsv(224, 73%, 43%)
CMYK	cmyk(73.4%, 53.2%, 0%, 57.3%)
CIE-LAB	lab(22.77, 13.11, -36.34)
CIE-LCH	lch(22.77, 38.63, 289.84°)
OKLab	oklab(33.89% -0.0082 -0.1044)
OKLCH	oklch(33.89% 0.105 265.5)
XYZ	xyz(4.4499, 3.7325, 14.9510)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D336D #6D571D

analogous

#1D5B6D #1D336D #2F1D6D

triadic

#1D336D #6D1D33 #336D1D

tetradic

#1D336D #6D1D5B #6D571D #1D6D2F

square

#1D336D #6D1D5B #6D571D #1D6D2F

split-complementary

#1D336D #6D2F1D #5B6D1D

monochromatic

#060B18 #101C3D #1D336D #2A4A9D #3A62CB

Accessibility & contrast

On white

12.02

#1D336D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1D336D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D336D

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D336D	#FFFFFF	#000000	##FFFFFF
##1D336D	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103A6F

Deuteranopia (green-blind)

#00336C

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d336d;
/* rgb */ color: rgb(29, 51, 109);
/* oklch */ color: oklch(33.9% 0.105 265.5);

Tailwind

colors: {
  custom: {
    50: '#646a97',
    500: '#1d336d',
    950: '#000000',
  },
}

SCSS

$custom: #1d336d;
$custom-light: #646a97;
$custom-dark: #000000;

JSON

{
  "hex": "#1d336d",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 109
  },
  "hsl": {
    "h": 223.5,
    "s": 57.971,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33886,
    "c": 0.10468,
    "h": 265.5
  },
  "luminance": 0.03733
}

Semantic roles & 50–950 ramp

primary

#1D336D

secondary

#A28844

accent

#B747E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1D336D

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

Preview Lab → · Contrast checker → · Palette generator →