#1C5C8B#1C5C8B

#1C5C8B is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.9% C 0.099 H 245.1°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C5C8B
RGB	rgb(28, 92, 139)
HSL	hsl(205, 66%, 33%)
HSV	hsv(205, 80%, 55%)
CMYK	cmyk(79.9%, 33.8%, 0%, 45.5%)
CIE-LAB	lab(37.42, -2.65, -31.72)
CIE-LCH	lch(37.42, 31.83, 265.23°)
OKLab	oklab(45.86% -0.0419 -0.0901)
OKLCH	oklch(45.86% 0.099 245.1)
XYZ	xyz(8.9644, 9.7642, 25.8333)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5C8B #8B4B1C

analogous

#1C8B82 #1C5C8B #1C258B

triadic

#1C5C8B #8B1C5C #5C8B1C

tetradic

#1C5C8B #821C8B #8B4B1C #258B1C

square

#1C5C8B #821C8B #8B4B1C #258B1C

split-complementary

#1C5C8B #8B1C25 #8B821C

monochromatic

#071925 #123A58 #1C5C8B #267EBE #479CDA

Accessibility & contrast

On white

7.11

#1C5C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1C5C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5C8B

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5C8B	#FFFFFF	#000000	##FFFFFF
##1C5C8B	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465E8D

Deuteranopia (green-blind)

#36538A

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1c5c8b;
/* rgb */ color: rgb(28, 92, 139);
/* oklch */ color: oklch(45.9% 0.099 245.1);

Tailwind

colors: {
  custom: {
    50: '#6a89ad',
    500: '#1c5c8b',
    950: '#000000',
  },
}

SCSS

$custom: #1c5c8b;
$custom-light: #6a89ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5c8b",
  "rgb": {
    "r": 28,
    "g": 92,
    "b": 139
  },
  "hsl": {
    "h": 205.405,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45864,
    "c": 0.09935,
    "h": 245.1
  },
  "luminance": 0.09765
}

Semantic roles & 50–950 ramp

primary

#1C5C8B

secondary

#BC7847

accent

#873EE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1C5C8B

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

Preview Lab → · Contrast checker → · Palette generator →