#1C5A9D#1C5A9D

#1C5A9D is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.5% C 0.125 H 253.6°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#1C5A9D
RGB	rgb(28, 90, 157)
HSL	hsl(211, 70%, 36%)
HSV	hsv(211, 82%, 62%)
CMYK	cmyk(82.2%, 42.7%, 0%, 38.4%)
CIE-LAB	lab(37.83, 5.73, -41.92)
CIE-LCH	lch(37.83, 42.31, 277.78°)
OKLab	oklab(46.52% -0.0352 -0.12)
OKLCH	oklch(46.52% 0.125 253.6)
XYZ	xyz(10.2186, 9.9923, 33.2819)
Luminance	0.0999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5A9D #9D5F1C

analogous

#1C9B9D #1C5A9D #1F1C9D

triadic

#1C5A9D #9D1C5A #5A9D1C

tetradic

#1C5A9D #9D1C9B #9D5F1C #1C9D1F

square

#1C5A9D #9D1C9B #9D5F1C #1C9D1F

split-complementary

#1C5A9D #9D1F1C #9B9D1C

monochromatic

#091E35 #133C69 #1C5A9D #2578D1 #5397E0

Accessibility & contrast

On white

7.00

#1C5A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#1C5A9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5A9D

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5A9D	#FFFFFF	#000000	##FFFFFF
##1C5A9D	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395FA0

Deuteranopia (green-blind)

#21549C

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1c5a9d;
/* rgb */ color: rgb(28, 90, 157);
/* oklch */ color: oklch(46.5% 0.125 253.6);

Tailwind

colors: {
  custom: {
    50: '#6e88ba',
    500: '#1c5a9d',
    950: '#000000',
  },
}

SCSS

$custom: #1c5a9d;
$custom-light: #6e88ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5a9d",
  "rgb": {
    "r": 28,
    "g": 90,
    "b": 157
  },
  "hsl": {
    "h": 211.163,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46523,
    "c": 0.12507,
    "h": 253.6
  },
  "luminance": 0.09994
}

Semantic roles & 50–950 ramp

primary

#1C5A9D

secondary

#C38D51

accent

#973BED

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1C5A9D

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

Preview Lab → · Contrast checker → · Palette generator →