#1D2F4D#1D2F4D

#1D2F4D is a dark, muted blue. Relative luminance 0.028; OKLCH L 30.6% C 0.059 H 260.2°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F4D
RGB	rgb(29, 47, 77)
HSL	hsl(218, 45%, 21%)
HSV	hsv(218, 62%, 30%)
CMYK	cmyk(62.3%, 39%, 0%, 69.8%)
CIE-LAB	lab(19.35, 3.19, -20.73)
CIE-LCH	lch(19.35, 20.97, 278.76°)
OKLab	oklab(30.56% -0.0102 -0.0586)
OKLCH	oklch(30.56% 0.059 260.2)
XYZ	xyz(2.8623, 2.8298, 7.4151)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F4D #4D3B1D

analogous

#1D474D #1D2F4D #231D4D

triadic

#1D2F4D #4D1D2F #2F4D1D

tetradic

#1D2F4D #4D1D47 #4D3B1D #1D4D23

square

#1D2F4D #4D1D47 #4D3B1D #1D4D23

split-complementary

#1D2F4D #4D231D #474D1D

monochromatic

#080E16 #0C1421 #1D2F4D #2E4A79 #3E65A6

Accessibility & contrast

On white

13.41

#1D2F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1D2F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F4D

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F4D	#FFFFFF	#000000	##FFFFFF
##1D2F4D	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23314E

Deuteranopia (green-blind)

#1D2D4C

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d2f4d;
/* rgb */ color: rgb(29, 47, 77);
/* oklch */ color: oklch(30.6% 0.059 260.2);

Tailwind

colors: {
  custom: {
    50: '#5d677f',
    500: '#1d2f4d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f4d;
$custom-light: #5d677f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f4d",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 77
  },
  "hsl": {
    "h": 217.5,
    "s": 45.283,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30564,
    "c": 0.05948,
    "h": 260.2
  },
  "luminance": 0.0283
}

Semantic roles & 50–950 ramp

primary

#1D2F4D

secondary

#826B44

accent

#A453D5

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1D2F4D

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

Preview Lab → · Contrast checker → · Palette generator →