#1C50A9#1C50A9

#1C50A9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.154 H 260.5°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#1C50A9
RGB	rgb(28, 80, 169)
HSL	hsl(218, 72%, 39%)
HSV	hsv(218, 83%, 66%)
CMYK	cmyk(83.4%, 52.7%, 0%, 33.7%)
CIE-LAB	lab(35.69, 17.16, -52.53)
CIE-LCH	lch(35.69, 55.26, 288.09°)
OKLab	oklab(45.13% -0.0253 -0.1514)
OKLCH	oklch(45.13% 0.154 260.5)
XYZ	xyz(10.5064, 8.8475, 38.6824)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C50A9 #A9751C

analogous

#1C96A9 #1C50A9 #2E1CA9

triadic

#1C50A9 #A91C50 #50A91C

tetradic

#1C50A9 #A91C96 #A9751C #1CA92E

square

#1C50A9 #A91C96 #A9751C #1CA92E

split-complementary

#1C50A9 #A92E1C #96A91C

monochromatic

#0B1E40 #133774 #1C50A9 #2769DB #5B8EE4

Accessibility & contrast

On white

7.58

#1C50A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1C50A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C50A9

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C50A9	#FFFFFF	#000000	##FFFFFF
##1C50A9	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5BAC

Deuteranopia (green-blind)

#004EA7

Tritanopia (blue-blind)

#006674

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1c50a9;
/* rgb */ color: rgb(28, 80, 169);
/* oklch */ color: oklch(45.1% 0.154 260.5);

Tailwind

colors: {
  custom: {
    50: '#7180c3',
    500: '#1c50a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c50a9;
$custom-light: #7180c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c50a9",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 169
  },
  "hsl": {
    "h": 217.872,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45132,
    "c": 0.15354,
    "h": 260.5
  },
  "luminance": 0.08849
}

Semantic roles & 50–950 ramp

primary

#1C50A9

secondary

#C89F59

accent

#AC39EE

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1C50A9

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

Preview Lab → · Contrast checker → · Palette generator →