#1C5F8D#1C5F8D

#1C5F8D is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.7% C 0.099 H 243.5°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#1C5F8D
RGB	rgb(28, 95, 141)
HSL	hsl(204, 67%, 33%)
HSV	hsv(204, 80%, 55%)
CMYK	cmyk(80.1%, 32.6%, 0%, 44.7%)
CIE-LAB	lab(38.47, -3.75, -31.27)
CIE-LCH	lch(38.47, 31.49, 263.17°)
OKLab	oklab(46.73% -0.0442 -0.0887)
OKLCH	oklch(46.73% 0.099 243.5)
XYZ	xyz(9.3769, 10.3533, 26.6983)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5F8D #8D4A1C

analogous

#1C8D82 #1C5F8D #1C268D

triadic

#1C5F8D #8D1C5F #5F8D1C

tetradic

#1C5F8D #821C8D #8D4A1C #268D1C

square

#1C5F8D #821C8D #8D4A1C #268D1C

split-complementary

#1C5F8D #8D1C26 #8D821C

monochromatic

#081A27 #123D5A #1C5F8D #2681C0 #499FDB

Accessibility & contrast

On white

6.84

#1C5F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#1C5F8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5F8D

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5F8D	#FFFFFF	#000000	##FFFFFF
##1C5F8D	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A608F

Deuteranopia (green-blind)

#3A568C

Tritanopia (blue-blind)

#006A6F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1c5f8d;
/* rgb */ color: rgb(28, 95, 141);
/* oklch */ color: oklch(46.7% 0.099 243.5);

Tailwind

colors: {
  custom: {
    50: '#6b8cae',
    500: '#1c5f8d',
    950: '#000000',
  },
}

SCSS

$custom: #1c5f8d;
$custom-light: #6b8cae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5f8d",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 141
  },
  "hsl": {
    "h": 204.425,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4673,
    "c": 0.09911,
    "h": 243.5
  },
  "luminance": 0.10354
}

Semantic roles & 50–950 ramp

primary

#1C5F8D

secondary

#BD7848

accent

#843EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1C5F8D

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

Preview Lab → · Contrast checker → · Palette generator →