#1C5C7B#1C5C7B

#1C5C7B is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 45.0% C 0.081 H 234.0°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C5C7B
RGB	rgb(28, 92, 123)
HSL	hsl(200, 63%, 30%)
HSV	hsv(200, 77%, 48%)
CMYK	cmyk(77.2%, 25.2%, 0%, 51.8%)
CIE-LAB	lab(36.61, -8.76, -23.21)
CIE-LCH	lch(36.61, 24.80, 249.32°)
OKLab	oklab(44.96% -0.0474 -0.0653)
OKLCH	oklch(44.96% 0.081 234)
XYZ	xyz(7.8798, 9.3303, 20.1207)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5C7B #7B3B1C

analogous

#1C7B6B #1C5C7B #1C2D7B

triadic

#1C5C7B #7B1C5C #5C7B1C

tetradic

#1C5C7B #6B1C7B #7B3B1C #2D7B1C

square

#1C5C7B #6B1C7B #7B3B1C #2D7B1C

split-complementary

#1C5C7B #7B1C2D #7B6B1C

monochromatic

#061319 #113749 #1C5C7B #2781AD #3EA3D3

Accessibility & contrast

On white

7.33

#1C5C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1C5C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5C7B

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5C7B	#FFFFFF	#000000	##FFFFFF
##1C5C7B	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5B7C

Deuteranopia (green-blind)

#40527B

Tritanopia (blue-blind)

#006466

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c5c7b;
/* rgb */ color: rgb(28, 92, 123);
/* oklch */ color: oklch(45.0% 0.081 234.0);

Tailwind

colors: {
  custom: {
    50: '#678aa1',
    500: '#1c5c7b',
    950: '#000000',
  },
}

SCSS

$custom: #1c5c7b;
$custom-light: #678aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5c7b",
  "rgb": {
    "r": 28,
    "g": 92,
    "b": 123
  },
  "hsl": {
    "h": 199.579,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.44963,
    "c": 0.08074,
    "h": 234
  },
  "luminance": 0.09331
}

Semantic roles & 50–950 ramp

primary

#1C5C7B

secondary

#AF6744

accent

#7742E6

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #1C5C7B

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

Preview Lab → · Contrast checker → · Palette generator →