#1C537C#1C537C

#1C537C is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.7% C 0.089 H 244.9°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C537C
RGB	rgb(28, 83, 124)
HSL	hsl(206, 63%, 30%)
HSV	hsv(206, 77%, 49%)
CMYK	cmyk(77.4%, 33.1%, 0%, 51.4%)
CIE-LAB	lab(33.75, -2.78, -28.31)
CIE-LCH	lch(33.75, 28.45, 264.38°)
OKLab	oklab(42.71% -0.0377 -0.0803)
OKLCH	oklch(42.71% 0.089 244.9)
XYZ	xyz(7.2088, 7.8878, 20.2074)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C537C #7C451C

analogous

#1C7C75 #1C537C #1C237C

triadic

#1C537C #7C1C53 #537C1C

tetradic

#1C537C #751C7C #7C451C #237C1C

square

#1C537C #751C7C #7C451C #237C1C

split-complementary

#1C537C #7C1C23 #7C751C

monochromatic

#061119 #11324A #1C537C #2774AE #3F94D4

Accessibility & contrast

On white

8.15

#1C537C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1C537C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C537C

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C537C	#FFFFFF	#000000	##FFFFFF
##1C537C	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40547E

Deuteranopia (green-blind)

#334B7B

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c537c;
/* rgb */ color: rgb(28, 83, 124);
/* oklch */ color: oklch(42.7% 0.089 244.9);

Tailwind

colors: {
  custom: {
    50: '#6783a2',
    500: '#1c537c',
    950: '#000000',
  },
}

SCSS

$custom: #1c537c;
$custom-light: #6783a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c537c",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 124
  },
  "hsl": {
    "h": 205.625,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.42708,
    "c": 0.08866,
    "h": 244.9
  },
  "luminance": 0.07889
}

Semantic roles & 50–950 ramp

primary

#1C537C

secondary

#B07244

accent

#8842E6

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1C537C

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

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