#1D2D4C#1D2D4C

#1D2D4C is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.0% C 0.060 H 262.6°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D4C
RGB	rgb(29, 45, 76)
HSL	hsl(220, 45%, 21%)
HSV	hsv(220, 62%, 30%)
CMYK	cmyk(61.8%, 40.8%, 0%, 70.2%)
CIE-LAB	lab(18.63, 4.23, -21.19)
CIE-LCH	lch(18.63, 21.61, 281.29°)
OKLab	oklab(29.98% -0.0078 -0.06)
OKLCH	oklch(29.98% 0.06 262.6)
XYZ	xyz(2.7491, 2.6596, 7.2046)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D4C #4C3C1D

analogous

#1D444C #1D2D4C #241D4C

triadic

#1D2D4C #4C1D2D #2D4C1D

tetradic

#1D2D4C #4C1D44 #4C3C1D #1D4C24

square

#1D2D4C #4C1D44 #4C3C1D #1D4C24

split-complementary

#1D2D4C #4C241D #444C1D

monochromatic

#080D16 #0C1320 #1D2D4C #2E4778 #3F61A5

Accessibility & contrast

On white

13.71

#1D2D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1D2D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D4C

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D4C	#FFFFFF	#000000	##FFFFFF
##1D2D4C	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20304D

Deuteranopia (green-blind)

#1A2B4B

Tritanopia (blue-blind)

#023438

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d2d4c;
/* rgb */ color: rgb(29, 45, 76);
/* oklch */ color: oklch(30.0% 0.060 262.6);

Tailwind

colors: {
  custom: {
    50: '#5d657e',
    500: '#1d2d4c',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d4c;
$custom-light: #5d657e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d4c",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 76
  },
  "hsl": {
    "h": 219.574,
    "s": 44.762,
    "l": 20.588
  },
  "oklch": {
    "l": 0.29983,
    "c": 0.06048,
    "h": 262.6
  },
  "luminance": 0.0266
}

Semantic roles & 50–950 ramp

primary

#1D2D4C

secondary

#816C44

accent

#A953D4

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #1D2D4C

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

Preview Lab → · Contrast checker → · Palette generator →