#1C4355#1C4355

#1C4355 is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.3% C 0.054 H 230.7°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#1C4355
RGB	rgb(28, 67, 85)
HSL	hsl(199, 50%, 22%)
HSV	hsv(199, 67%, 33%)
CMYK	cmyk(67.1%, 21.2%, 0%, 66.7%)
CIE-LAB	lab(26.50, -7.46, -14.89)
CIE-LCH	lch(26.50, 16.65, 243.38°)
OKLab	oklab(36.32% -0.034 -0.0416)
OKLCH	oklch(36.32% 0.054 230.7)
XYZ	xyz(4.1251, 4.9167, 9.3242)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4355 #552E1C

analogous

#1C554A #1C4355 #1C2755

triadic

#1C4355 #551C43 #43551C

tetradic

#1C4355 #4A1C55 #552E1C #27551C

square

#1C4355 #4A1C55 #552E1C #27551C

split-complementary

#1C4355 #551C27 #554A1C

monochromatic

#081217 #0D1F27 #1C4355 #2B6783 #3A8CB1

Accessibility & contrast

On white

10.59

#1C4355 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1C4355 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4355

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4355	#FFFFFF	#000000	##FFFFFF
##1C4355	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4256

Deuteranopia (green-blind)

#323C55

Tritanopia (blue-blind)

#004849

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c4355;
/* rgb */ color: rgb(28, 67, 85);
/* oklch */ color: oklch(36.3% 0.054 230.7);

Tailwind

colors: {
  custom: {
    50: '#5f7785',
    500: '#1c4355',
    950: '#000000',
  },
}

SCSS

$custom: #1c4355;
$custom-light: #5f7785;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4355",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 85
  },
  "hsl": {
    "h": 198.947,
    "s": 50.442,
    "l": 22.157
  },
  "oklch": {
    "l": 0.3632,
    "c": 0.05372,
    "h": 230.7
  },
  "luminance": 0.04917
}

Semantic roles & 50–950 ramp

primary

#1C4355

secondary

#8B5942

accent

#7A4EDA

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1C4355

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

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