#1D489A#1D489A

#1D489A is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.2% C 0.143 H 261.7°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D489A
RGB	rgb(29, 72, 154)
HSL	hsl(219, 68%, 36%)
HSV	hsv(219, 81%, 60%)
CMYK	cmyk(81.2%, 53.2%, 0%, 39.6%)
CIE-LAB	lab(32.32, 16.67, -48.97)
CIE-LCH	lch(32.32, 51.73, 288.80°)
OKLab	oklab(42.22% -0.0206 -0.1411)
OKLCH	oklch(42.22% 0.143 261.7)
XYZ	xyz(8.6547, 7.2280, 31.5046)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D489A #9A6F1D

analogous

#1D869A #1D489A #301D9A

triadic

#1D489A #9A1D48 #489A1D

tetradic

#1D489A #9A1D86 #9A6F1D #1D9A30

square

#1D489A #9A1D86 #9A6F1D #1D9A30

split-complementary

#1D489A #9A301D #869A1D

monochromatic

#0A1833 #133066 #1D489A #2760CE #5383DF

Accessibility & contrast

On white

8.59

#1D489A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1D489A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D489A

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D489A	#FFFFFF	#000000	##FFFFFF
##1D489A	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D529D

Deuteranopia (green-blind)

#004798

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d489a;
/* rgb */ color: rgb(29, 72, 154);
/* oklch */ color: oklch(42.2% 0.143 261.7);

Tailwind

colors: {
  custom: {
    50: '#6e7ab8',
    500: '#1d489a',
    950: '#000000',
  },
}

SCSS

$custom: #1d489a;
$custom-light: #6e7ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d489a",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 154
  },
  "hsl": {
    "h": 219.36,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42223,
    "c": 0.14262,
    "h": 261.7
  },
  "luminance": 0.07229
}

Semantic roles & 50–950 ramp

primary

#1D489A

secondary

#C29B51

accent

#AF3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D489A

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

Preview Lab → · Contrast checker → · Palette generator →