#1C537A#1C537A

#1C537A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.086 H 243.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C537A
RGB	rgb(28, 83, 122)
HSL	hsl(205, 63%, 29%)
HSV	hsv(205, 77%, 48%)
CMYK	cmyk(77%, 32%, 0%, 52.2%)
CIE-LAB	lab(33.64, -3.56, -27.24)
CIE-LCH	lch(33.64, 27.47, 262.55°)
OKLab	oklab(42.59% -0.0383 -0.0771)
OKLCH	oklch(42.59% 0.086 243.6)
XYZ	xyz(7.0836, 7.8377, 19.5481)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C537A #7A431C

analogous

#1C7A72 #1C537A #1C247A

triadic

#1C537A #7A1C53 #537A1C

tetradic

#1C537A #721C7A #7A431C #247A1C

square

#1C537A #721C7A #7A431C #247A1C

split-complementary

#1C537A #7A1C24 #7A721C

monochromatic

#061119 #113148 #1C537A #2775AC #3E95D3

Accessibility & contrast

On white

8.18

#1C537A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1C537A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C537A

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C537A	#FFFFFF	#000000	##FFFFFF
##1C537A	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41547C

Deuteranopia (green-blind)

#344B79

Tritanopia (blue-blind)

#005D61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c537a;
/* rgb */ color: rgb(28, 83, 122);
/* oklch */ color: oklch(42.6% 0.086 243.6);

Tailwind

colors: {
  custom: {
    50: '#6683a0',
    500: '#1c537a',
    950: '#000000',
  },
}

SCSS

$custom: #1c537a;
$custom-light: #6683a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c537a",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 204.894,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.4259,
    "c": 0.08614,
    "h": 243.6
  },
  "luminance": 0.07839
}

Semantic roles & 50–950 ramp

primary

#1C537A

secondary

#AE7044

accent

#8642E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #1C537A

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

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