#1C5799#1C5799

#1C5799 is a mid, vivid cyan. Relative luminance 0.094; OKLCH L 45.5% C 0.123 H 254.2°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#1C5799
RGB	rgb(28, 87, 153)
HSL	hsl(212, 69%, 35%)
HSV	hsv(212, 82%, 60%)
CMYK	cmyk(81.7%, 43.1%, 0%, 40%)
CIE-LAB	lab(36.67, 6.10, -41.36)
CIE-LCH	lch(36.67, 41.81, 278.39°)
OKLab	oklab(45.54% -0.0336 -0.1184)
OKLCH	oklch(45.54% 0.123 254.2)
XYZ	xyz(9.6347, 9.3620, 31.4301)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5799 #995E1C

analogous

#1C9599 #1C5799 #1F1C99

triadic

#1C5799 #991C57 #57991C

tetradic

#1C5799 #991C95 #995E1C #1C991F

square

#1C5799 #991C95 #995E1C #1C991F

split-complementary

#1C5799 #991F1C #95991C

monochromatic

#091C32 #133A65 #1C5799 #2574CD #5094DF

Accessibility & contrast

On white

7.31

#1C5799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1C5799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5799

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5799	#FFFFFF	#000000	##FFFFFF
##1C5799	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365C9C

Deuteranopia (green-blind)

#1F5198

Tritanopia (blue-blind)

#006770

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c5799;
/* rgb */ color: rgb(28, 87, 153);
/* oklch */ color: oklch(45.5% 0.123 254.2);

Tailwind

colors: {
  custom: {
    50: '#6d85b7',
    500: '#1c5799',
    950: '#000000',
  },
}

SCSS

$custom: #1c5799;
$custom-light: #6d85b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5799",
  "rgb": {
    "r": 28,
    "g": 87,
    "b": 153
  },
  "hsl": {
    "h": 211.68,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45544,
    "c": 0.1231,
    "h": 254.2
  },
  "luminance": 0.09363
}

Semantic roles & 50–950 ramp

primary

#1C5799

secondary

#C28C4F

accent

#993CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1C5799

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

Preview Lab → · Contrast checker → · Palette generator →