#1F58C2#1F58C2

#1F58C2 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.177 H 261.4°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F58C2
RGB	rgb(31, 88, 194)
HSL	hsl(219, 72%, 44%)
HSV	hsv(219, 84%, 76%)
CMYK	cmyk(84%, 54.6%, 0%, 23.9%)
CIE-LAB	lab(39.86, 21.97, -60.48)
CIE-LCH	lch(39.86, 64.35, 289.96°)
OKLab	oklab(48.91% -0.0263 -0.1746)
OKLCH	oklch(48.91% 0.177 261.4)
XYZ	xyz(13.7889, 11.1641, 52.4566)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F58C2 #C2891F

analogous

#1FAAC2 #1F58C2 #371FC2

triadic

#1F58C2 #C21F58 #58C21F

tetradic

#1F58C2 #C21FAA #C2891F #1FC237

square

#1F58C2 #C21FAA #C2891F #1FC237

split-complementary

#1F58C2 #C2371F #AAC21F

monochromatic

#0E2858 #17408D #1F58C2 #3E77E0 #739CE9

Accessibility & contrast

On white

6.50

#1F58C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1F58C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F58C2

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F58C2	#FFFFFF	#000000	##FFFFFF
##1F58C2	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C6

Deuteranopia (green-blind)

#0057C0

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1f58c2;
/* rgb */ color: rgb(31, 88, 194);
/* oklch */ color: oklch(48.9% 0.177 261.4);

Tailwind

colors: {
  custom: {
    50: '#7886d5',
    500: '#1f58c2',
    950: '#000000',
  },
}

SCSS

$custom: #1f58c2;
$custom-light: #7886d5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f58c2",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 194
  },
  "hsl": {
    "h": 219.018,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48908,
    "c": 0.17661,
    "h": 261.4
  },
  "luminance": 0.11166
}

Semantic roles & 50–950 ramp

primary

#1F58C2

secondary

#CFAD6D

accent

#AF39EF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #1F58C2

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

Preview Lab → · Contrast checker → · Palette generator →