#1C5CB4#1C5CB4

#1C5CB4 is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.6% C 0.154 H 257.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C5CB4
RGB	rgb(28, 92, 180)
HSL	hsl(215, 73%, 41%)
HSV	hsv(215, 84%, 71%)
CMYK	cmyk(84.4%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(39.91, 13.57, -52.22)
CIE-LCH	lch(39.91, 53.95, 284.57°)
OKLab	oklab(48.61% -0.0324 -0.1503)
OKLCH	oklch(48.61% 0.154 257.8)
XYZ	xyz(12.5412, 11.1949, 44.6710)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5CB4 #B4741C

analogous

#1CA8B4 #1C5CB4 #281CB4

triadic

#1C5CB4 #B41C5C #5CB41C

tetradic

#1C5CB4 #B41CA8 #B4741C #1CB428

square

#1C5CB4 #B41CA8 #B4741C #1CB428

split-complementary

#1C5CB4 #B4281C #A8B41C

monochromatic

#0C264A #14417F #1C5CB4 #2F79DF #649BE7

Accessibility & contrast

On white

6.48

#1C5CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#1C5CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5CB4

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5CB4	#FFFFFF	#000000	##FFFFFF
##1C5CB4	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2865B7

Deuteranopia (green-blind)

#0058B2

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1c5cb4;
/* rgb */ color: rgb(28, 92, 180);
/* oklch */ color: oklch(48.6% 0.154 257.8);

Tailwind

colors: {
  custom: {
    50: '#7489cb',
    500: '#1c5cb4',
    950: '#000000',
  },
}

SCSS

$custom: #1c5cb4;
$custom-light: #7489cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5cb4",
  "rgb": {
    "r": 28,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 214.737,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48609,
    "c": 0.15373,
    "h": 257.8
  },
  "luminance": 0.11196
}

Semantic roles & 50–950 ramp

primary

#1C5CB4

secondary

#CC9E60

accent

#A238F0

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1C5CB4

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

Preview Lab → · Contrast checker → · Palette generator →