#1C5366#1C5366

#1C5366 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.5% C 0.065 H 224.7°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#1C5366
RGB	rgb(28, 83, 102)
HSL	hsl(195, 57%, 25%)
HSV	hsv(195, 73%, 40%)
CMYK	cmyk(72.5%, 18.6%, 0%, 60%)
CIE-LAB	lab(32.68, -11.09, -16.23)
CIE-LCH	lch(32.68, 19.66, 235.65°)
OKLab	oklab(41.51% -0.0459 -0.0454)
OKLCH	oklch(41.51% 0.065 224.7)
XYZ	xyz(5.9694, 7.3920, 13.6800)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5366 #662F1C

analogous

#1C6654 #1C5366 #1C2E66

triadic

#1C5366 #661C53 #53661C

tetradic

#1C5366 #541C66 #662F1C #2E661C

square

#1C5366 #541C66 #662F1C #2E661C

split-complementary

#1C5366 #661C2E #66541C

monochromatic

#071418 #0F2C36 #1C5366 #297A96 #36A1C6

Accessibility & contrast

On white

8.47

#1C5366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1C5366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5366

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5366	#FFFFFF	#000000	##FFFFFF
##1C5366	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485167

Deuteranopia (green-blind)

#3E4A66

Tritanopia (blue-blind)

#005959

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c5366;
/* rgb */ color: rgb(28, 83, 102);
/* oklch */ color: oklch(41.5% 0.065 224.7);

Tailwind

colors: {
  custom: {
    50: '#638391',
    500: '#1c5366',
    950: '#000000',
  },
}

SCSS

$custom: #1c5366;
$custom-light: #638391;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5366",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 195.405,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.41511,
    "c": 0.06456,
    "h": 224.7
  },
  "luminance": 0.07393
}

Semantic roles & 50–950 ramp

primary

#1C5366

secondary

#9B5943

accent

#6F48E0

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1C5366

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

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