#1C50AD#1C50AD

#1C50AD is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.5% C 0.159 H 261.0°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#1C50AD
RGB	rgb(28, 80, 173)
HSL	hsl(218, 72%, 39%)
HSV	hsv(218, 84%, 68%)
CMYK	cmyk(83.8%, 53.8%, 0%, 32.2%)
CIE-LAB	lab(35.98, 18.76, -54.43)
CIE-LCH	lch(35.98, 57.57, 289.02°)
OKLab	oklab(45.45% -0.0248 -0.157)
OKLCH	oklch(45.45% 0.159 261)
XYZ	xyz(10.8876, 9.0000, 40.6904)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C50AD #AD791C

analogous

#1C99AD #1C50AD #311CAD

triadic

#1C50AD #AD1C50 #50AD1C

tetradic

#1C50AD #AD1C99 #AD791C #1CAD31

square

#1C50AD #AD1C99 #AD791C #1CAD31

split-complementary

#1C50AD #AD311C #99AD1C

monochromatic

#0B1F44 #133878 #1C50AD #2A6ADC #5E8FE5

Accessibility & contrast

On white

7.50

#1C50AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1C50AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C50AD

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C50AD	#FFFFFF	#000000	##FFFFFF
##1C50AD	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#025CB0

Deuteranopia (green-blind)

#004EAB

Tritanopia (blue-blind)

#006776

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1c50ad;
/* rgb */ color: rgb(28, 80, 173);
/* oklch */ color: oklch(45.5% 0.159 261.0);

Tailwind

colors: {
  custom: {
    50: '#7280c6',
    500: '#1c50ad',
    950: '#000000',
  },
}

SCSS

$custom: #1c50ad;
$custom-light: #7280c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c50ad",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 173
  },
  "hsl": {
    "h": 218.483,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4545,
    "c": 0.15898,
    "h": 261
  },
  "luminance": 0.09001
}

Semantic roles & 50–950 ramp

primary

#1C50AD

secondary

#C9A25C

accent

#AE39EF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1C50AD

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

Preview Lab → · Contrast checker → · Palette generator →