#1D314F#1D314F

#1D314F is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.060 H 258.3°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#1D314F
RGB	rgb(29, 49, 79)
HSL	hsl(216, 46%, 21%)
HSV	hsv(216, 63%, 31%)
CMYK	cmyk(63.3%, 38%, 0%, 69%)
CIE-LAB	lab(20.13, 2.55, -20.84)
CIE-LCH	lch(20.13, 20.99, 276.98°)
OKLab	oklab(31.21% -0.0122 -0.0589)
OKLCH	oklch(31.21% 0.06 258.3)
XYZ	xyz(3.0158, 3.0221, 7.8200)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D314F #4F3B1D

analogous

#1D4A4F #1D314F #221D4F

triadic

#1D314F #4F1D31 #314F1D

tetradic

#1D314F #4F1D4A #4F3B1D #1D4F22

square

#1D314F #4F1D4A #4F3B1D #1D4F22

split-complementary

#1D314F #4F221D #4A4F1D

monochromatic

#080E16 #0D1522 #1D314F #2D4D7C #3E69A9

Accessibility & contrast

On white

13.09

#1D314F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D314F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D314F

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D314F	#FFFFFF	#000000	##FFFFFF
##1D314F	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253350

Deuteranopia (green-blind)

#1E2E4E

Tritanopia (blue-blind)

#00383C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d314f;
/* rgb */ color: rgb(29, 49, 79);
/* oklch */ color: oklch(31.2% 0.060 258.3);

Tailwind

colors: {
  custom: {
    50: '#5e6880',
    500: '#1d314f',
    950: '#000000',
  },
}

SCSS

$custom: #1d314f;
$custom-light: #5e6880;
$custom-dark: #000000;

JSON

{
  "hex": "#1d314f",
  "rgb": {
    "r": 29,
    "g": 49,
    "b": 79
  },
  "hsl": {
    "h": 216,
    "s": 46.296,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31212,
    "c": 0.06015,
    "h": 258.3
  },
  "luminance": 0.03022
}

Semantic roles & 50–950 ramp

primary

#1D314F

secondary

#846A44

accent

#A152D6

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1D314F

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

Preview Lab → · Contrast checker → · Palette generator →