#1F54C2#1F54C2

#1F54C2 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.1% C 0.181 H 262.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F54C2
RGB	rgb(31, 84, 194)
HSL	hsl(220, 72%, 44%)
HSV	hsv(220, 84%, 76%)
CMYK	cmyk(84%, 56.7%, 0%, 23.9%)
CIE-LAB	lab(38.77, 24.61, -62.25)
CIE-LCH	lch(38.77, 66.94, 291.57°)
OKLab	oklab(48.09% -0.0238 -0.1799)
OKLCH	oklch(48.09% 0.181 262.5)
XYZ	xyz(13.4695, 10.5253, 52.3502)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F54C2 #C28D1F

analogous

#1FA6C2 #1F54C2 #3C1FC2

triadic

#1F54C2 #C21F54 #54C21F

tetradic

#1F54C2 #C21FA6 #C28D1F #1FC23C

square

#1F54C2 #C21FA6 #C28D1F #1FC23C

split-complementary

#1F54C2 #C23C1F #A6C21F

monochromatic

#0E2658 #173D8D #1F54C2 #3E73E0 #7399E9

Accessibility & contrast

On white

6.76

#1F54C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1F54C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F54C2

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F54C2	#FFFFFF	#000000	##FFFFFF
##1F54C2	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C6

Deuteranopia (green-blind)

#0054C0

Tritanopia (blue-blind)

#007083

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f54c2;
/* rgb */ color: rgb(31, 84, 194);
/* oklch */ color: oklch(48.1% 0.181 262.5);

Tailwind

colors: {
  custom: {
    50: '#7883d5',
    500: '#1f54c2',
    950: '#000000',
  },
}

SCSS

$custom: #1f54c2;
$custom-light: #7883d5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f54c2",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 194
  },
  "hsl": {
    "h": 220.491,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48086,
    "c": 0.18147,
    "h": 262.5
  },
  "luminance": 0.10527
}

Semantic roles & 50–950 ramp

primary

#1F54C2

secondary

#CFB06D

accent

#B439EF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #1F54C2

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

Preview Lab → · Contrast checker → · Palette generator →