#1C5F91#1C5F91

#1C5F91 is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 47.0% C 0.104 H 245.6°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C5F91
RGB	rgb(28, 95, 145)
HSL	hsl(206, 68%, 34%)
HSV	hsv(206, 81%, 57%)
CMYK	cmyk(80.7%, 34.5%, 0%, 43.1%)
CIE-LAB	lab(38.68, -2.20, -33.35)
CIE-LCH	lch(38.68, 33.42, 266.23°)
OKLab	oklab(46.97% -0.0429 -0.0948)
OKLCH	oklch(46.97% 0.104 245.6)
XYZ	xyz(9.6800, 10.4745, 28.2942)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5F91 #914E1C

analogous

#1C9189 #1C5F91 #1C2591

triadic

#1C5F91 #911C5F #5F911C

tetradic

#1C5F91 #891C91 #914E1C #25911C

square

#1C5F91 #891C91 #914E1C #25911C

split-complementary

#1C5F91 #911C25 #91891C

monochromatic

#081C2A #123D5E #1C5F91 #2681C4 #4B9EDC

Accessibility & contrast

On white

6.78

#1C5F91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1C5F91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5F91

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5F91	#FFFFFF	#000000	##FFFFFF
##1C5F91	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486193

Deuteranopia (green-blind)

#375690

Tritanopia (blue-blind)

#006B71

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1c5f91;
/* rgb */ color: rgb(28, 95, 145);
/* oklch */ color: oklch(47.0% 0.104 245.6);

Tailwind

colors: {
  custom: {
    50: '#6c8cb1',
    500: '#1c5f91',
    950: '#000000',
  },
}

SCSS

$custom: #1c5f91;
$custom-light: #6c8cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5f91",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 145
  },
  "hsl": {
    "h": 205.641,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.46967,
    "c": 0.10407,
    "h": 245.6
  },
  "luminance": 0.10476
}

Semantic roles & 50–950 ramp

primary

#1C5F91

secondary

#BE7C4A

accent

#873DEB

background

#F7F8FA

surface

#EDF0F5

border

#C8CBCF

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #1C5F91

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

Preview Lab → · Contrast checker → · Palette generator →