#1C5FB4#1C5FB4

#1C5FB4 is a mid, vivid cyan. Relative luminance 0.117; OKLCH L 49.3% C 0.150 H 256.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#1C5FB4
RGB	rgb(28, 95, 180)
HSL	hsl(214, 73%, 41%)
HSV	hsv(214, 84%, 71%)
CMYK	cmyk(84.4%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(40.78, 11.61, -50.82)
CIE-LCH	lch(40.78, 52.13, 282.87°)
OKLab	oklab(49.28% -0.0346 -0.1461)
OKLCH	oklch(49.28% 0.15 256.7)
XYZ	xyz(12.8063, 11.7250, 44.7594)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5FB4 #B4711C

analogous

#1CABB4 #1C5FB4 #251CB4

triadic

#1C5FB4 #B41C5F #5FB41C

tetradic

#1C5FB4 #B41CAB #B4711C #1CB425

square

#1C5FB4 #B41CAB #B4711C #1CB425

split-complementary

#1C5FB4 #B4251C #ABB41C

monochromatic

#0C274A #14437F #1C5FB4 #2F7CDF #649DE7

Accessibility & contrast

On white

6.28

#1C5FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#1C5FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5FB4

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5FB4	#FFFFFF	#000000	##FFFFFF
##1C5FB4	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F67B7

Deuteranopia (green-blind)

#005AB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #1c5fb4;
/* rgb */ color: rgb(28, 95, 180);
/* oklch */ color: oklch(49.3% 0.150 256.7);

Tailwind

colors: {
  custom: {
    50: '#748bcb',
    500: '#1c5fb4',
    950: '#000000',
  },
}

SCSS

$custom: #1c5fb4;
$custom-light: #748bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5fb4",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 213.553,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49278,
    "c": 0.15013,
    "h": 256.7
  },
  "luminance": 0.11727
}

Semantic roles & 50–950 ramp

primary

#1C5FB4

secondary

#CC9C60

accent

#9F38F0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1C5FB4

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

Preview Lab → · Contrast checker → · Palette generator →