#1D2D54#1D2D54

#1D2D54 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.5% C 0.074 H 265.5°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D54
RGB	rgb(29, 45, 84)
HSL	hsl(223, 49%, 22%)
HSV	hsv(223, 65%, 33%)
CMYK	cmyk(65.5%, 46.4%, 0%, 67.1%)
CIE-LAB	lab(19.13, 7.37, -25.77)
CIE-LCH	lch(19.13, 26.81, 285.96°)
OKLab	oklab(30.54% -0.0058 -0.0734)
OKLCH	oklch(30.54% 0.074 265.5)
XYZ	xyz(3.0448, 2.7778, 8.7615)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D54 #54441D

analogous

#1D4954 #1D2D54 #281D54

triadic

#1D2D54 #541D2D #2D541D

tetradic

#1D2D54 #541D49 #54441D #1D5428

square

#1D2D54 #541D49 #54441D #1D5428

split-complementary

#1D2D54 #54281D #49541D

monochromatic

#080C17 #0D1527 #1D2D54 #2D4581 #3C5EAF

Accessibility & contrast

On white

13.50

#1D2D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D2D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D54

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D54	#FFFFFF	#000000	##FFFFFF
##1D2D54	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3156

Deuteranopia (green-blind)

#142C53

Tritanopia (blue-blind)

#00363C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2d54;
/* rgb */ color: rgb(29, 45, 84);
/* oklch */ color: oklch(30.5% 0.074 265.5);

Tailwind

colors: {
  custom: {
    50: '#5f6584',
    500: '#1d2d54',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d54;
$custom-light: #5f6584;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d54",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 84
  },
  "hsl": {
    "h": 222.545,
    "s": 48.673,
    "l": 22.157
  },
  "oklch": {
    "l": 0.30538,
    "c": 0.07362,
    "h": 265.5
  },
  "luminance": 0.02778
}

Semantic roles & 50–950 ramp

primary

#1D2D54

secondary

#897544

accent

#B050D8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05050B

muted

#797A7C

Preview Lab

Preview with #1D2D54

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

Preview Lab → · Contrast checker → · Palette generator →