#1C599C#1C599C

#1C599C is a mid, vivid cyan. Relative luminance 0.098; OKLCH L 46.2% C 0.125 H 253.9°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C599C
RGB	rgb(28, 89, 156)
HSL	hsl(211, 70%, 36%)
HSV	hsv(211, 82%, 61%)
CMYK	cmyk(82.1%, 42.9%, 0%, 38.8%)
CIE-LAB	lab(37.46, 5.99, -41.90)
CIE-LCH	lch(37.46, 42.33, 278.13°)
OKLab	oklab(46.22% -0.0346 -0.12)
OKLCH	oklch(46.22% 0.125 253.9)
XYZ	xyz(10.0498, 9.7907, 32.8062)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C599C #9C5F1C

analogous

#1C999C #1C599C #1F1C9C

triadic

#1C599C #9C1C59 #599C1C

tetradic

#1C599C #9C1C99 #9C5F1C #1C9C1F

square

#1C599C #9C1C99 #9C5F1C #1C9C1F

split-complementary

#1C599C #9C1F1C #999C1C

monochromatic

#091E34 #133B68 #1C599C #2577D0 #5296E0

Accessibility & contrast

On white

7.10

#1C599C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1C599C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C599C

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C599C	#FFFFFF	#000000	##FFFFFF
##1C599C	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375E9F

Deuteranopia (green-blind)

#20539B

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1c599c;
/* rgb */ color: rgb(28, 89, 156);
/* oklch */ color: oklch(46.2% 0.125 253.9);

Tailwind

colors: {
  custom: {
    50: '#6e87ba',
    500: '#1c599c',
    950: '#000000',
  },
}

SCSS

$custom: #1c599c;
$custom-light: #6e87ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1c599c",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 156
  },
  "hsl": {
    "h": 211.406,
    "s": 69.565,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4622,
    "c": 0.12487,
    "h": 253.9
  },
  "luminance": 0.09792
}

Semantic roles & 50–950 ramp

primary

#1C599C

secondary

#C38D51

accent

#983BEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1C599C

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

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