#1D335E#1D335E

#1D335E is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.7% C 0.081 H 262.4°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D335E
RGB	rgb(29, 51, 94)
HSL	hsl(220, 53%, 24%)
HSV	hsv(220, 69%, 37%)
CMYK	cmyk(69.1%, 45.7%, 0%, 63.1%)
CIE-LAB	lab(21.71, 7.05, -28.28)
CIE-LCH	lch(21.71, 29.15, 284.00°)
OKLab	oklab(32.74% -0.0108 -0.0807)
OKLCH	oklch(32.74% 0.081 262.4)
XYZ	xyz(3.7102, 3.4367, 11.0553)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D335E #5E481D

analogous

#1D545E #1D335E #281D5E

triadic

#1D335E #5E1D33 #335E1D

tetradic

#1D335E #5E1D54 #5E481D #1D5E28

square

#1D335E #5E1D54 #5E481D #1D5E28

split-complementary

#1D335E #5E281D #545E1D

monochromatic

#070D17 #0F1A2F #1D335E #2B4C8D #3A66BC

Accessibility & contrast

On white

12.45

#1D335E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D335E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D335E

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D335E	#FFFFFF	#000000	##FFFFFF
##1D335E	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3760

Deuteranopia (green-blind)

#15315D

Tritanopia (blue-blind)

#003D43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d335e;
/* rgb */ color: rgb(29, 51, 94);
/* oklch */ color: oklch(32.7% 0.081 262.4);

Tailwind

colors: {
  custom: {
    50: '#616a8c',
    500: '#1d335e',
    950: '#000000',
  },
}

SCSS

$custom: #1d335e;
$custom-light: #616a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d335e",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 94
  },
  "hsl": {
    "h": 219.692,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.32741,
    "c": 0.08138,
    "h": 262.4
  },
  "luminance": 0.03437
}

Semantic roles & 50–950 ramp

primary

#1D335E

secondary

#937844

accent

#AB4CDC

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1D335E

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

Preview Lab → · Contrast checker → · Palette generator →