#1C5B7C#1C5B7C

#1C5B7C is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.8% C 0.082 H 236.1°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C5B7C
RGB	rgb(28, 91, 124)
HSL	hsl(201, 63%, 30%)
HSV	hsv(201, 77%, 49%)
CMYK	cmyk(77.4%, 26.6%, 0%, 51.4%)
CIE-LAB	lab(36.34, -7.78, -24.25)
CIE-LCH	lch(36.34, 25.47, 252.22°)
OKLab	oklab(44.76% -0.046 -0.0684)
OKLCH	oklch(44.76% 0.082 236.1)
XYZ	xyz(7.8566, 9.1834, 20.4234)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5B7C #7C3D1C

analogous

#1C7C6D #1C5B7C #1C2B7C

triadic

#1C5B7C #7C1C5B #5B7C1C

tetradic

#1C5B7C #6D1C7C #7C3D1C #2B7C1C

square

#1C5B7C #6D1C7C #7C3D1C #2B7C1C

split-complementary

#1C5B7C #7C1C2B #7C6D1C

monochromatic

#061219 #11364A #1C5B7C #2780AE #3FA0D4

Accessibility & contrast

On white

7.40

#1C5B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1C5B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B7C

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5B7C	#FFFFFF	#000000	##FFFFFF
##1C5B7C	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B7E

Deuteranopia (green-blind)

#3E517B

Tritanopia (blue-blind)

#006466

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1c5b7c;
/* rgb */ color: rgb(28, 91, 124);
/* oklch */ color: oklch(44.8% 0.082 236.1);

Tailwind

colors: {
  custom: {
    50: '#6789a2',
    500: '#1c5b7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c5b7c;
$custom-light: #6789a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5b7c",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 124
  },
  "hsl": {
    "h": 200.625,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.44758,
    "c": 0.08241,
    "h": 236.1
  },
  "luminance": 0.09184
}

Semantic roles & 50–950 ramp

primary

#1C5B7C

secondary

#B06944

accent

#7A42E6

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #1C5B7C

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

Preview Lab → · Contrast checker → · Palette generator →