#1D48A1#1D48A1

#1D48A1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.152 H 262.5°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D48A1
RGB	rgb(29, 72, 161)
HSL	hsl(220, 69%, 37%)
HSV	hsv(220, 82%, 63%)
CMYK	cmyk(82%, 55.3%, 0%, 36.9%)
CIE-LAB	lab(32.85, 19.47, -52.34)
CIE-LCH	lch(32.85, 55.85, 290.40°)
OKLab	oklab(42.79% -0.0199 -0.151)
OKLCH	oklch(42.79% 0.152 262.5)
XYZ	xyz(9.2548, 7.4680, 34.6650)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D48A1 #A1761D

analogous

#1D8AA1 #1D48A1 #341DA1

triadic

#1D48A1 #A11D48 #48A11D

tetradic

#1D48A1 #A11D8A #A1761D #1DA134

square

#1D48A1 #A11D8A #A1761D #1DA134

split-complementary

#1D48A1 #A1341D #8AA11D

monochromatic

#0A1A39 #14316D #1D48A1 #265FD5 #5884E1

Accessibility & contrast

On white

8.42

#1D48A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1D48A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D48A1

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D48A1	#FFFFFF	#000000	##FFFFFF
##1D48A1	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#00489F

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d48a1;
/* rgb */ color: rgb(29, 72, 161);
/* oklch */ color: oklch(42.8% 0.152 262.5);

Tailwind

colors: {
  custom: {
    50: '#707abd',
    500: '#1d48a1',
    950: '#000000',
  },
}

SCSS

$custom: #1d48a1;
$custom-light: #707abd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d48a1",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 161
  },
  "hsl": {
    "h": 220.455,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42792,
    "c": 0.15235,
    "h": 262.5
  },
  "luminance": 0.07469
}

Semantic roles & 50–950 ramp

primary

#1D48A1

secondary

#C4A055

accent

#B33CEC

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D48A1

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

Preview Lab → · Contrast checker → · Palette generator →