#1C50B3#1C50B3

#1C50B3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.167 H 261.7°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C50B3
RGB	rgb(28, 80, 179)
HSL	hsl(219, 73%, 41%)
HSV	hsv(219, 84%, 70%)
CMYK	cmyk(84.4%, 55.3%, 0%, 29.8%)
CIE-LAB	lab(36.44, 21.14, -57.25)
CIE-LCH	lch(36.44, 61.03, 290.27°)
OKLab	oklab(45.94% -0.0242 -0.1653)
OKLCH	oklch(45.94% 0.167 261.7)
XYZ	xyz(11.4813, 9.2374, 43.8170)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C50B3 #B37F1C

analogous

#1C9BB3 #1C50B3 #341CB3

triadic

#1C50B3 #B31C50 #50B31C

tetradic

#1C50B3 #B31C9B #B37F1C #1CB334

square

#1C50B3 #B31C9B #B37F1C #1CB334

split-complementary

#1C50B3 #B3341C #9BB31C

monochromatic

#0B2149 #14387E #1C50B3 #2E6BDE #6390E7

Accessibility & contrast

On white

7.37

#1C50B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1C50B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C50B3

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C50B3	#FFFFFF	#000000	##FFFFFF
##1C50B3	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c50b3;
/* rgb */ color: rgb(28, 80, 179);
/* oklch */ color: oklch(45.9% 0.167 261.7);

Tailwind

colors: {
  custom: {
    50: '#7480ca',
    500: '#1c50b3',
    950: '#000000',
  },
}

SCSS

$custom: #1c50b3;
$custom-light: #7480ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1c50b3",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 179
  },
  "hsl": {
    "h": 219.338,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.45937,
    "c": 0.16709,
    "h": 261.7
  },
  "luminance": 0.09239
}

Semantic roles & 50–950 ramp

primary

#1C50B3

secondary

#CBA65F

accent

#B038F0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1C50B3

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

Preview Lab → · Contrast checker → · Palette generator →