#1C5A9E#1C5A9E

#1C5A9E is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.6% C 0.126 H 253.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#1C5A9E
RGB	rgb(28, 90, 158)
HSL	hsl(211, 70%, 36%)
HSV	hsv(211, 82%, 62%)
CMYK	cmyk(82.3%, 43%, 0%, 38%)
CIE-LAB	lab(37.89, 6.13, -42.42)
CIE-LCH	lch(37.89, 42.86, 278.22°)
OKLab	oklab(46.59% -0.035 -0.1215)
OKLCH	oklch(46.59% 0.126 253.9)
XYZ	xyz(10.3043, 10.0266, 33.7334)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5A9E #9E601C

analogous

#1C9B9E #1C5A9E #1F1C9E

triadic

#1C5A9E #9E1C5A #5A9E1C

tetradic

#1C5A9E #9E1C9B #9E601C #1C9E1F

square

#1C5A9E #9E1C9B #9E601C #1C9E1F

split-complementary

#1C5A9E #9E1F1C #9B9E1C

monochromatic

#0A1F36 #133C6A #1C5A9E #2578D2 #5497E1

Accessibility & contrast

On white

6.99

#1C5A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1C5A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5A9E

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5A9E	#FFFFFF	#000000	##FFFFFF
##1C5A9E	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385FA1

Deuteranopia (green-blind)

#20549D

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1c5a9e;
/* rgb */ color: rgb(28, 90, 158);
/* oklch */ color: oklch(46.6% 0.126 253.9);

Tailwind

colors: {
  custom: {
    50: '#6e88bb',
    500: '#1c5a9e',
    950: '#000000',
  },
}

SCSS

$custom: #1c5a9e;
$custom-light: #6e88bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5a9e",
  "rgb": {
    "r": 28,
    "g": 90,
    "b": 158
  },
  "hsl": {
    "h": 211.385,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46591,
    "c": 0.12642,
    "h": 253.9
  },
  "luminance": 0.10028
}

Semantic roles & 50–950 ramp

primary

#1C5A9E

secondary

#C48E52

accent

#983BED

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1C5A9E

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

Preview Lab → · Contrast checker → · Palette generator →