#1D479F#1D479F

#1D479F is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.151 H 262.6°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#1D479F
RGB	rgb(29, 71, 159)
HSL	hsl(221, 69%, 37%)
HSV	hsv(221, 82%, 62%)
CMYK	cmyk(81.8%, 55.3%, 0%, 37.6%)
CIE-LAB	lab(32.41, 19.35, -51.84)
CIE-LCH	lch(32.41, 55.34, 290.47°)
OKLab	oklab(42.41% -0.0194 -0.1496)
OKLCH	oklch(42.41% 0.151 262.6)
XYZ	xyz(9.0157, 7.2698, 33.7222)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D479F #9F751D

analogous

#1D889F #1D479F #341D9F

triadic

#1D479F #9F1D47 #479F1D

tetradic

#1D479F #9F1D88 #9F751D #1D9F34

square

#1D479F #9F1D88 #9F751D #1D9F34

split-complementary

#1D479F #9F341D #889F1D

monochromatic

#0A1937 #14306B #1D479F #265ED3 #5683E0

Accessibility & contrast

On white

8.56

#1D479F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1D479F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D479F

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D479F	#FFFFFF	#000000	##FFFFFF
##1D479F	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d479f;
/* rgb */ color: rgb(29, 71, 159);
/* oklch */ color: oklch(42.4% 0.151 262.6);

Tailwind

colors: {
  custom: {
    50: '#7079bc',
    500: '#1d479f',
    950: '#000000',
  },
}

SCSS

$custom: #1d479f;
$custom-light: #7079bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d479f",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 159
  },
  "hsl": {
    "h": 220.615,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42413,
    "c": 0.15084,
    "h": 262.6
  },
  "luminance": 0.07271
}

Semantic roles & 50–950 ramp

primary

#1D479F

secondary

#C4A054

accent

#B33CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D479F

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

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