#1D488D#1D488D

#1D488D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.2% C 0.124 H 259.6°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D488D
RGB	rgb(29, 72, 141)
HSL	hsl(217, 66%, 33%)
HSV	hsv(217, 79%, 55%)
CMYK	cmyk(79.4%, 48.9%, 0%, 44.7%)
CIE-LAB	lab(31.39, 11.43, -42.55)
CIE-LCH	lch(31.39, 44.05, 285.03°)
OKLab	oklab(41.21% -0.0225 -0.1222)
OKLCH	oklch(41.21% 0.124 259.6)
XYZ	xyz(7.6300, 6.8181, 26.1080)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D488D #8D621D

analogous

#1D808D #1D488D #2A1D8D

triadic

#1D488D #8D1D48 #488D1D

tetradic

#1D488D #8D1D80 #8D621D #1D8D2A

square

#1D488D #8D1D80 #8D621D #1D8D2A

split-complementary

#1D488D #8D2A1D #808D1D

monochromatic

#081427 #132E5A #1D488D #2762C0 #4B82DA

Accessibility & contrast

On white

8.88

#1D488D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D488D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D488D

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D488D	#FFFFFF	#000000	##FFFFFF
##1D488D	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214F90

Deuteranopia (green-blind)

#00458C

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d488d;
/* rgb */ color: rgb(29, 72, 141);
/* oklch */ color: oklch(41.2% 0.124 259.6);

Tailwind

colors: {
  custom: {
    50: '#6b7aaf',
    500: '#1d488d',
    950: '#000000',
  },
}

SCSS

$custom: #1d488d;
$custom-light: #6b7aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d488d",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 141
  },
  "hsl": {
    "h": 216.964,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.41214,
    "c": 0.12426,
    "h": 259.6
  },
  "luminance": 0.06819
}

Semantic roles & 50–950 ramp

primary

#1D488D

secondary

#BC904A

accent

#A83FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D488D

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

Preview Lab → · Contrast checker → · Palette generator →