#1C519F#1C519F

#1C519F is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.6% C 0.139 H 258.6°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C519F
RGB	rgb(28, 81, 159)
HSL	hsl(216, 70%, 37%)
HSV	hsv(216, 82%, 62%)
CMYK	cmyk(82.4%, 49.1%, 0%, 37.6%)
CIE-LAB	lab(35.27, 12.48, -47.23)
CIE-LCH	lch(35.27, 48.85, 284.81°)
OKLab	oklab(44.59% -0.0274 -0.1358)
OKLCH	oklch(44.59% 0.139 258.6)
XYZ	xyz(9.6770, 8.6338, 33.9506)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C519F #9F6A1C

analogous

#1C939F #1C519F #291C9F

triadic

#1C519F #9F1C51 #519F1C

tetradic

#1C519F #9F1C93 #9F6A1C #1C9F29

square

#1C519F #9F1C93 #9F6A1C #1C9F29

split-complementary

#1C519F #9F291C #939F1C

monochromatic

#0A1C37 #13366B #1C519F #256CD3 #548DE1

Accessibility & contrast

On white

7.70

#1C519F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1C519F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C519F

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C519F	#FFFFFF	#000000	##FFFFFF
##1C519F	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2459A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c519f;
/* rgb */ color: rgb(28, 81, 159);
/* oklch */ color: oklch(44.6% 0.139 258.6);

Tailwind

colors: {
  custom: {
    50: '#6f81bc',
    500: '#1c519f',
    950: '#000000',
  },
}

SCSS

$custom: #1c519f;
$custom-light: #6f81bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c519f",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 159
  },
  "hsl": {
    "h": 215.725,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.44585,
    "c": 0.13856,
    "h": 258.6
  },
  "luminance": 0.08635
}

Semantic roles & 50–950 ramp

primary

#1C519F

secondary

#C49653

accent

#A53BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C519F

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

Preview Lab → · Contrast checker → · Palette generator →