#1D52AD#1D52AD

#1D52AD is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.9% C 0.156 H 260.6°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#1D52AD
RGB	rgb(29, 82, 173)
HSL	hsl(218, 71%, 40%)
HSV	hsv(218, 83%, 68%)
CMYK	cmyk(83.2%, 52.6%, 0%, 32.2%)
CIE-LAB	lab(36.58, 17.51, -53.47)
CIE-LCH	lch(36.58, 56.26, 288.13°)
OKLab	oklab(45.91% -0.0256 -0.1541)
OKLCH	oklch(45.91% 0.156 260.6)
XYZ	xyz(11.0641, 9.3116, 40.7412)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D52AD #AD781D

analogous

#1D9AAD #1D52AD #301DAD

triadic

#1D52AD #AD1D52 #52AD1D

tetradic

#1D52AD #AD1D9A #AD781D #1DAD30

square

#1D52AD #AD1D9A #AD781D #1DAD30

split-complementary

#1D52AD #AD301D #9AAD1D

monochromatic

#0B2044 #143979 #1D52AD #2C6CDC #6091E4

Accessibility & contrast

On white

7.34

#1D52AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1D52AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D52AD

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D52AD	#FFFFFF	#000000	##FFFFFF
##1D52AD	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#105DB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d52ad;
/* rgb */ color: rgb(29, 82, 173);
/* oklch */ color: oklch(45.9% 0.156 260.6);

Tailwind

colors: {
  custom: {
    50: '#7381c6',
    500: '#1d52ad',
    950: '#000000',
  },
}

SCSS

$custom: #1d52ad;
$custom-light: #7381c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d52ad",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 173
  },
  "hsl": {
    "h": 217.917,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4591,
    "c": 0.15627,
    "h": 260.6
  },
  "luminance": 0.09313
}

Semantic roles & 50–950 ramp

primary

#1D52AD

secondary

#C9A15D

accent

#AC3AEE

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1D52AD

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

Preview Lab → · Contrast checker → · Palette generator →