#1C537E#1C537E

#1C537E is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.091 H 246.0°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C537E
RGB	rgb(28, 83, 126)
HSL	hsl(206, 64%, 30%)
HSV	hsv(206, 78%, 49%)
CMYK	cmyk(77.8%, 34.1%, 0%, 50.6%)
CIE-LAB	lab(33.86, -2.00, -29.38)
CIE-LCH	lch(33.86, 29.44, 266.10°)
OKLab	oklab(42.83% -0.037 -0.0834)
OKLCH	oklch(42.83% 0.091 246)
XYZ	xyz(7.3366, 7.9389, 20.8803)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C537E #7E471C

analogous

#1C7E78 #1C537E #1C227E

triadic

#1C537E #7E1C53 #537E1C

tetradic

#1C537E #781C7E #7E471C #227E1C

square

#1C537E #781C7E #7E471C #227E1C

split-complementary

#1C537E #7E1C22 #7E781C

monochromatic

#06111A #11324C #1C537E #2774B0 #4093D5

Accessibility & contrast

On white

8.11

#1C537E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1C537E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C537E

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C537E	#FFFFFF	#000000	##FFFFFF
##1C537E	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5580

Deuteranopia (green-blind)

#314C7D

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c537e;
/* rgb */ color: rgb(28, 83, 126);
/* oklch */ color: oklch(42.8% 0.091 246.0);

Tailwind

colors: {
  custom: {
    50: '#6783a3',
    500: '#1c537e',
    950: '#000000',
  },
}

SCSS

$custom: #1c537e;
$custom-light: #6783a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c537e",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 126
  },
  "hsl": {
    "h": 206.327,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.42828,
    "c": 0.09124,
    "h": 246
  },
  "luminance": 0.0794
}

Semantic roles & 50–950 ramp

primary

#1C537E

secondary

#B27444

accent

#8A41E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1C537E

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

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