#1C5B9D#1C5B9D

#1C5B9D is a mid, vivid cyan. Relative luminance 0.102; OKLCH L 46.8% C 0.124 H 253.1°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C5B9D
RGB	rgb(28, 91, 157)
HSL	hsl(211, 70%, 36%)
HSV	hsv(211, 82%, 62%)
CMYK	cmyk(82.2%, 42%, 0%, 38.4%)
CIE-LAB	lab(38.13, 5.08, -41.43)
CIE-LCH	lch(38.13, 41.74, 276.99°)
OKLab	oklab(46.76% -0.0361 -0.1186)
OKLCH	oklch(46.76% 0.124 253.1)
XYZ	xyz(10.3035, 10.1621, 33.3102)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5B9D #9D5E1C

analogous

#1C9C9D #1C5B9D #1E1C9D

triadic

#1C5B9D #9D1C5B #5B9D1C

tetradic

#1C5B9D #9D1C9C #9D5E1C #1C9D1E

square

#1C5B9D #9D1C9C #9D5E1C #1C9D1E

split-complementary

#1C5B9D #9D1E1C #9C9D1C

monochromatic

#091F35 #133D69 #1C5B9D #2579D1 #5398E0

Accessibility & contrast

On white

6.92

#1C5B9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1C5B9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5B9D

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5B9D	#FFFFFF	#000000	##FFFFFF
##1C5B9D	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A60A0

Deuteranopia (green-blind)

#24549C

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1c5b9d;
/* rgb */ color: rgb(28, 91, 157);
/* oklch */ color: oklch(46.8% 0.124 253.1);

Tailwind

colors: {
  custom: {
    50: '#6e88ba',
    500: '#1c5b9d',
    950: '#000000',
  },
}

SCSS

$custom: #1c5b9d;
$custom-light: #6e88ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5b9d",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 157
  },
  "hsl": {
    "h": 210.698,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46759,
    "c": 0.12393,
    "h": 253.1
  },
  "luminance": 0.10163
}

Semantic roles & 50–950 ramp

primary

#1C5B9D

secondary

#C38C51

accent

#963BED

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1C5B9D

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

Preview Lab → · Contrast checker → · Palette generator →