#1F5FC2#1F5FC2

#1F5FC2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.168 H 259.4°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F5FC2
RGB	rgb(31, 95, 194)
HSL	hsl(216, 72%, 44%)
HSV	hsv(216, 84%, 76%)
CMYK	cmyk(84%, 51%, 0%, 23.9%)
CIE-LAB	lab(41.80, 17.37, -57.34)
CIE-LCH	lch(41.80, 59.91, 286.86°)
OKLab	oklab(50.39% -0.031 -0.1652)
OKLCH	oklch(50.39% 0.168 259.4)
XYZ	xyz(14.3913, 12.3690, 52.6574)
Luminance	0.1237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5FC2 #C2821F

analogous

#1FB1C2 #1F5FC2 #311FC2

triadic

#1F5FC2 #C21F5F #5FC21F

tetradic

#1F5FC2 #C21FB1 #C2821F #1FC231

square

#1F5FC2 #C21FB1 #C2821F #1FC231

split-complementary

#1F5FC2 #C2311F #B1C21F

monochromatic

#0E2B58 #17458D #1F5FC2 #3E7EE0 #73A1E9

Accessibility & contrast

On white

6.04

#1F5FC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#1F5FC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5FC2

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5FC2	#FFFFFF	#000000	##FFFFFF
##1F5FC2	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6AC6

Deuteranopia (green-blind)

#005CC0

Tritanopia (blue-blind)

#007787

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1f5fc2;
/* rgb */ color: rgb(31, 95, 194);
/* oklch */ color: oklch(50.4% 0.168 259.4);

Tailwind

colors: {
  custom: {
    50: '#788bd5',
    500: '#1f5fc2',
    950: '#000000',
  },
}

SCSS

$custom: #1f5fc2;
$custom-light: #788bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5fc2",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 194
  },
  "hsl": {
    "h": 216.442,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50386,
    "c": 0.16812,
    "h": 259.4
  },
  "luminance": 0.12371
}

Semantic roles & 50–950 ramp

primary

#1F5FC2

secondary

#CFA96D

accent

#A739EF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #1F5FC2

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

Preview Lab → · Contrast checker → · Palette generator →