#1C5199#1C5199

#1C5199 is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 44.1% C 0.130 H 257.4°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C5199
RGB	rgb(28, 81, 153)
HSL	hsl(215, 69%, 35%)
HSV	hsv(215, 82%, 60%)
CMYK	cmyk(81.7%, 47.1%, 0%, 40%)
CIE-LAB	lab(34.86, 10.07, -44.26)
CIE-LCH	lch(34.86, 45.40, 282.82°)
OKLab	oklab(44.14% -0.0285 -0.1271)
OKLCH	oklch(44.14% 0.13 257.4)
XYZ	xyz(9.1690, 8.4305, 31.2748)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5199 #99641C

analogous

#1C8F99 #1C5199 #251C99

triadic

#1C5199 #991C51 #51991C

tetradic

#1C5199 #991C8F #99641C #1C9925

square

#1C5199 #991C8F #99641C #1C9925

split-complementary

#1C5199 #99251C #8F991C

monochromatic

#091A32 #133665 #1C5199 #256CCD #508DDF

Accessibility & contrast

On white

7.82

#1C5199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1C5199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5199

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5199	#FFFFFF	#000000	##FFFFFF
##1C5199	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A589C

Deuteranopia (green-blind)

#084D98

Tritanopia (blue-blind)

#00626D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c5199;
/* rgb */ color: rgb(28, 81, 153);
/* oklch */ color: oklch(44.1% 0.130 257.4);

Tailwind

colors: {
  custom: {
    50: '#6d81b7',
    500: '#1c5199',
    950: '#000000',
  },
}

SCSS

$custom: #1c5199;
$custom-light: #6d81b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5199",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 153
  },
  "hsl": {
    "h": 214.56,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44142,
    "c": 0.13026,
    "h": 257.4
  },
  "luminance": 0.08432
}

Semantic roles & 50–950 ramp

primary

#1C5199

secondary

#C2914F

accent

#A13CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C5199

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

Preview Lab → · Contrast checker → · Palette generator →