#1D336A#1D336A

#1D336A is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.6% C 0.100 H 265.1°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D336A
RGB	rgb(29, 51, 106)
HSL	hsl(223, 57%, 26%)
HSV	hsv(223, 73%, 42%)
CMYK	cmyk(72.6%, 51.9%, 0%, 58.4%)
CIE-LAB	lab(22.55, 11.89, -34.76)
CIE-LCH	lch(22.55, 36.74, 288.89°)
OKLab	oklab(33.65% -0.0086 -0.0997)
OKLCH	oklch(33.65% 0.1 265.1)
XYZ	xyz(4.2911, 3.6690, 14.1149)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D336A #6A541D

analogous

#1D5A6A #1D336A #2E1D6A

triadic

#1D336A #6A1D33 #336A1D

tetradic

#1D336A #6A1D5A #6A541D #1D6A2E

square

#1D336A #6A1D5A #6A541D #1D6A2E

split-complementary

#1D336A #6A2E1D #5A6A1D

monochromatic

#070C18 #101C3A #1D336A #2A4A9A #3962C9

Accessibility & contrast

On white

12.11

#1D336A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D336A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D336A

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D336A	#FFFFFF	#000000	##FFFFFF
##1D336A	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143A6C

Deuteranopia (green-blind)

#003369

Tritanopia (blue-blind)

#004049

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d336a;
/* rgb */ color: rgb(29, 51, 106);
/* oklch */ color: oklch(33.6% 0.100 265.1);

Tailwind

colors: {
  custom: {
    50: '#636a95',
    500: '#1d336a',
    950: '#000000',
  },
}

SCSS

$custom: #1d336a;
$custom-light: #636a95;
$custom-dark: #000000;

JSON

{
  "hex": "#1d336a",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 106
  },
  "hsl": {
    "h": 222.857,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.33647,
    "c": 0.10009,
    "h": 265.1
  },
  "luminance": 0.03669
}

Semantic roles & 50–950 ramp

primary

#1D336A

secondary

#9F8544

accent

#B548E0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1D336A

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

Preview Lab → · Contrast checker → · Palette generator →