#1C519E#1C519E

#1C519E is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.5% C 0.137 H 258.4°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#1C519E
RGB	rgb(28, 81, 158)
HSL	hsl(216, 70%, 36%)
HSV	hsv(216, 82%, 62%)
CMYK	cmyk(82.3%, 48.7%, 0%, 38%)
CIE-LAB	lab(35.20, 12.08, -46.73)
CIE-LCH	lch(35.20, 48.27, 284.50°)
OKLab	oklab(44.51% -0.0276 -0.1344)
OKLCH	oklch(44.51% 0.137 258.4)
XYZ	xyz(9.5906, 8.5992, 33.4955)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C519E #9E691C

analogous

#1C929E #1C519E #281C9E

triadic

#1C519E #9E1C51 #519E1C

tetradic

#1C519E #9E1C92 #9E691C #1C9E28

square

#1C519E #9E1C92 #9E691C #1C9E28

split-complementary

#1C519E #9E281C #929E1C

monochromatic

#0A1C36 #13366A #1C519E #256CD2 #548DE1

Accessibility & contrast

On white

7.72

#1C519E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1C519E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C519E

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C519E	#FFFFFF	#000000	##FFFFFF
##1C519E	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2559A1

Deuteranopia (green-blind)

#004D9C

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c519e;
/* rgb */ color: rgb(28, 81, 158);
/* oklch */ color: oklch(44.5% 0.137 258.4);

Tailwind

colors: {
  custom: {
    50: '#6f81bb',
    500: '#1c519e',
    950: '#000000',
  },
}

SCSS

$custom: #1c519e;
$custom-light: #6f81bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c519e",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 158
  },
  "hsl": {
    "h": 215.538,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.4451,
    "c": 0.13718,
    "h": 258.4
  },
  "luminance": 0.086
}

Semantic roles & 50–950 ramp

primary

#1C519E

secondary

#C49552

accent

#A43BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1C519E

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

Preview Lab → · Contrast checker → · Palette generator →