#1C519B#1C519B

#1C519B is a dark, vivid cyan. Relative luminance 0.085; OKLCH L 44.3% C 0.133 H 257.8°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C519B
RGB	rgb(28, 81, 155)
HSL	hsl(215, 69%, 36%)
HSV	hsv(215, 82%, 61%)
CMYK	cmyk(81.9%, 47.7%, 0%, 39.2%)
CIE-LAB	lab(35.00, 10.88, -45.26)
CIE-LCH	lch(35.00, 46.54, 283.51°)
OKLab	oklab(44.29% -0.0281 -0.13)
OKLCH	oklch(44.29% 0.133 257.8)
XYZ	xyz(9.3355, 8.4972, 32.1521)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C519B #9B661C

analogous

#1C909B #1C519B #271C9B

triadic

#1C519B #9B1C51 #519B1C

tetradic

#1C519B #9B1C90 #9B661C #1C9B27

square

#1C519B #9B1C90 #9B661C #1C9B27

split-complementary

#1C519B #9B271C #909B1C

monochromatic

#091B33 #133667 #1C519B #256CCF #528DE0

Accessibility & contrast

On white

7.78

#1C519B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1C519B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C519B

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C519B	#FFFFFF	#000000	##FFFFFF
##1C519B	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28589E

Deuteranopia (green-blind)

#014D9A

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c519b;
/* rgb */ color: rgb(28, 81, 155);
/* oklch */ color: oklch(44.3% 0.133 257.8);

Tailwind

colors: {
  custom: {
    50: '#6e81b9',
    500: '#1c519b',
    950: '#000000',
  },
}

SCSS

$custom: #1c519b;
$custom-light: #6e81b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c519b",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 155
  },
  "hsl": {
    "h": 214.961,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44288,
    "c": 0.13302,
    "h": 257.8
  },
  "luminance": 0.08498
}

Semantic roles & 50–950 ramp

primary

#1C519B

secondary

#C39350

accent

#A33CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C519B

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

Preview Lab → · Contrast checker → · Palette generator →