#1D315E#1D315E

#1D315E is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.3% C 0.084 H 264.2°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D315E
RGB	rgb(29, 49, 94)
HSL	hsl(222, 53%, 24%)
HSV	hsv(222, 69%, 37%)
CMYK	cmyk(69.1%, 47.9%, 0%, 63.1%)
CIE-LAB	lab(21.08, 8.48, -29.30)
CIE-LCH	lch(21.08, 30.50, 286.14°)
OKLab	oklab(32.25% -0.0085 -0.0837)
OKLCH	oklch(32.25% 0.084 264.2)
XYZ	xyz(3.6247, 3.2657, 11.0268)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D315E #5E4A1D

analogous

#1D525E #1D315E #291D5E

triadic

#1D315E #5E1D31 #315E1D

tetradic

#1D315E #5E1D52 #5E4A1D #1D5E29

square

#1D315E #5E1D52 #5E4A1D #1D5E29

split-complementary

#1D315E #5E291D #525E1D

monochromatic

#070C17 #0F192F #1D315E #2B498D #3A62BC

Accessibility & contrast

On white

12.70

#1D315E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D315E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D315E

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D315E	#FFFFFF	#000000	##FFFFFF
##1D315E	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3660

Deuteranopia (green-blind)

#11305D

Tritanopia (blue-blind)

#003B43

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d315e;
/* rgb */ color: rgb(29, 49, 94);
/* oklch */ color: oklch(32.3% 0.084 264.2);

Tailwind

colors: {
  custom: {
    50: '#61688c',
    500: '#1d315e',
    950: '#000000',
  },
}

SCSS

$custom: #1d315e;
$custom-light: #61688c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d315e",
  "rgb": {
    "r": 29,
    "g": 49,
    "b": 94
  },
  "hsl": {
    "h": 221.538,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.32251,
    "c": 0.08411,
    "h": 264.2
  },
  "luminance": 0.03266
}

Semantic roles & 50–950 ramp

primary

#1D315E

secondary

#937B44

accent

#B04CDC

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1D315E

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

Preview Lab → · Contrast checker → · Palette generator →