#1F52C2#1F52C2

#1F52C2 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.184 H 262.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F52C2
RGB	rgb(31, 82, 194)
HSL	hsl(221, 72%, 44%)
HSV	hsv(221, 84%, 76%)
CMYK	cmyk(84%, 57.7%, 0%, 23.9%)
CIE-LAB	lab(38.23, 25.93, -63.12)
CIE-LCH	lch(38.23, 68.24, 292.33°)
OKLab	oklab(47.68% -0.0227 -0.1825)
OKLCH	oklch(47.68% 0.184 262.9)
XYZ	xyz(13.3165, 10.2193, 52.2991)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F52C2 #C28F1F

analogous

#1FA4C2 #1F52C2 #3E1FC2

triadic

#1F52C2 #C21F52 #52C21F

tetradic

#1F52C2 #C21FA4 #C28F1F #1FC23E

square

#1F52C2 #C21FA4 #C28F1F #1FC23E

split-complementary

#1F52C2 #C23E1F #A4C21F

monochromatic

#0E2558 #173C8D #1F52C2 #3E71E0 #7398E9

Accessibility & contrast

On white

6.90

#1F52C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#1F52C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F52C2

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F52C2	#FFFFFF	#000000	##FFFFFF
##1F52C2	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C6

Deuteranopia (green-blind)

#0053C0

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1f52c2;
/* rgb */ color: rgb(31, 82, 194);
/* oklch */ color: oklch(47.7% 0.184 262.9);

Tailwind

colors: {
  custom: {
    50: '#7882d5',
    500: '#1f52c2',
    950: '#000000',
  },
}

SCSS

$custom: #1f52c2;
$custom-light: #7882d5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f52c2",
  "rgb": {
    "r": 31,
    "g": 82,
    "b": 194
  },
  "hsl": {
    "h": 221.227,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47682,
    "c": 0.1839,
    "h": 262.9
  },
  "luminance": 0.10221
}

Semantic roles & 50–950 ramp

primary

#1F52C2

secondary

#CFB16D

accent

#B639EF

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #1F52C2

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

Preview Lab → · Contrast checker → · Palette generator →