#1D54AD#1D54AD

#1D54AD is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.154 H 259.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D54AD
RGB	rgb(29, 84, 173)
HSL	hsl(217, 71%, 40%)
HSV	hsv(217, 83%, 68%)
CMYK	cmyk(83.2%, 51.4%, 0%, 32.2%)
CIE-LAB	lab(37.15, 16.17, -52.55)
CIE-LCH	lch(37.15, 54.98, 287.11°)
OKLab	oklab(46.35% -0.0271 -0.1514)
OKLCH	oklch(46.35% 0.154 259.9)
XYZ	xyz(11.2171, 9.6176, 40.7922)
Luminance	0.0962 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D54AD #AD761D

analogous

#1D9CAD #1D54AD #2E1DAD

triadic

#1D54AD #AD1D54 #54AD1D

tetradic

#1D54AD #AD1D9C #AD761D #1DAD2E

square

#1D54AD #AD1D9C #AD761D #1DAD2E

split-complementary

#1D54AD #AD2E1D #9CAD1D

monochromatic

#0B2144 #143B79 #1D54AD #2C6FDC #6093E4

Accessibility & contrast

On white

7.18

#1D54AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1D54AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D54AD

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D54AD	#FFFFFF	#000000	##FFFFFF
##1D54AD	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195EB0

Deuteranopia (green-blind)

#0051AB

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1d54ad;
/* rgb */ color: rgb(29, 84, 173);
/* oklch */ color: oklch(46.3% 0.154 259.9);

Tailwind

colors: {
  custom: {
    50: '#7283c6',
    500: '#1d54ad',
    950: '#000000',
  },
}

SCSS

$custom: #1d54ad;
$custom-light: #7283c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d54ad",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 173
  },
  "hsl": {
    "h": 217.083,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46345,
    "c": 0.15379,
    "h": 259.9
  },
  "luminance": 0.09619
}

Semantic roles & 50–950 ramp

primary

#1D54AD

secondary

#C9A05D

accent

#A93AEE

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1D54AD

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

Preview Lab → · Contrast checker → · Palette generator →