#1C599E#1C599E

#1C599E is a mid, vivid cyan. Relative luminance 0.099; OKLCH L 46.4% C 0.128 H 254.5°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#1C599E
RGB	rgb(28, 89, 158)
HSL	hsl(212, 70%, 36%)
HSV	hsv(212, 82%, 62%)
CMYK	cmyk(82.3%, 43.7%, 0%, 38%)
CIE-LAB	lab(37.59, 6.78, -42.90)
CIE-LCH	lch(37.59, 43.43, 278.98°)
OKLab	oklab(46.36% -0.0341 -0.1229)
OKLCH	oklch(46.36% 0.128 254.5)
XYZ	xyz(10.2205, 9.8590, 33.7054)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C599E #9E611C

analogous

#1C9A9E #1C599E #201C9E

triadic

#1C599E #9E1C59 #599E1C

tetradic

#1C599E #9E1C9A #9E611C #1C9E20

square

#1C599E #9E1C9A #9E611C #1C9E20

split-complementary

#1C599E #9E201C #9A9E1C

monochromatic

#0A1E36 #133C6A #1C599E #2576D2 #5496E1

Accessibility & contrast

On white

7.07

#1C599E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#1C599E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C599E

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C599E	#FFFFFF	#000000	##FFFFFF
##1C599E	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365FA1

Deuteranopia (green-blind)

#1D539D

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1c599e;
/* rgb */ color: rgb(28, 89, 158);
/* oklch */ color: oklch(46.4% 0.128 254.5);

Tailwind

colors: {
  custom: {
    50: '#6e87bb',
    500: '#1c599e',
    950: '#000000',
  },
}

SCSS

$custom: #1c599e;
$custom-light: #6e87bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c599e",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 158
  },
  "hsl": {
    "h": 211.846,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46356,
    "c": 0.12758,
    "h": 254.5
  },
  "luminance": 0.0986
}

Semantic roles & 50–950 ramp

primary

#1C599E

secondary

#C48E52

accent

#993BED

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1C599E

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

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