#1C50B4#1C50B4

#1C50B4 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.168 H 261.8°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C50B4
RGB	rgb(28, 80, 180)
HSL	hsl(219, 73%, 41%)
HSV	hsv(219, 84%, 71%)
CMYK	cmyk(84.4%, 55.6%, 0%, 29.4%)
CIE-LAB	lab(36.51, 21.54, -57.71)
CIE-LCH	lch(36.51, 61.60, 290.46°)
OKLab	oklab(46.02% -0.0241 -0.1667)
OKLCH	oklch(46.02% 0.168 261.8)
XYZ	xyz(11.5828, 9.2780, 44.3515)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C50B4 #B4801C

analogous

#1C9CB4 #1C50B4 #341CB4

triadic

#1C50B4 #B41C50 #50B41C

tetradic

#1C50B4 #B41C9C #B4801C #1CB434

square

#1C50B4 #B41C9C #B4801C #1CB434

split-complementary

#1C50B4 #B4341C #9CB41C

monochromatic

#0C214A #14387F #1C50B4 #2F6BDF #6490E7

Accessibility & contrast

On white

7.35

#1C50B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1C50B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C50B4

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C50B4	#FFFFFF	#000000	##FFFFFF
##1C50B4	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB7

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c50b4;
/* rgb */ color: rgb(28, 80, 180);
/* oklch */ color: oklch(46.0% 0.168 261.8);

Tailwind

colors: {
  custom: {
    50: '#7480cb',
    500: '#1c50b4',
    950: '#000000',
  },
}

SCSS

$custom: #1c50b4;
$custom-light: #7480cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c50b4",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 180
  },
  "hsl": {
    "h": 219.474,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.46019,
    "c": 0.16843,
    "h": 261.8
  },
  "luminance": 0.09279
}

Semantic roles & 50–950 ramp

primary

#1C50B4

secondary

#CCA760

accent

#B138F0

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1C50B4

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

Preview Lab → · Contrast checker → · Palette generator →