#1558CA#1558CA

#1558CA is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.3% C 0.189 H 260.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#1558CA
RGB	rgb(21, 88, 202)
HSL	hsl(218, 81%, 44%)
HSV	hsv(218, 90%, 79%)
CMYK	cmyk(89.6%, 56.4%, 0%, 20.8%)
CIE-LAB	lab(40.25, 24.44, -64.50)
CIE-LCH	lch(40.25, 68.97, 290.76°)
OKLab	oklab(49.33% -0.0303 -0.1865)
OKLCH	oklch(49.33% 0.189 260.8)
XYZ	xyz(14.4558, 11.4013, 57.3044)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1558CA #CA8715

analogous

#15B2CA #1558CA #2C15CA

triadic

#1558CA #CA1558 #58CA15

tetradic

#1558CA #CA15B2 #CA8715 #15CA2C

square

#1558CA #CA15B2 #CA8715 #15CA2C

split-complementary

#1558CA #CA2C15 #B2CA15

monochromatic

#09285B #0F4093 #1558CA #3276EA #6A9BEF

Accessibility & contrast

On white

6.40

#1558CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#1558CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1558CA

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1558CA	#FFFFFF	#000000	##FFFFFF
##1558CA	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1558ca;
/* rgb */ color: rgb(21, 88, 202);
/* oklch */ color: oklch(49.3% 0.189 260.8);

Tailwind

colors: {
  custom: {
    50: '#7886db',
    500: '#1558ca',
    950: '#000000',
  },
}

SCSS

$custom: #1558ca;
$custom-light: #7886db;
$custom-dark: #000000;

JSON

{
  "hex": "#1558ca",
  "rgb": {
    "r": 21,
    "g": 88,
    "b": 202
  },
  "hsl": {
    "h": 217.79,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49334,
    "c": 0.18897,
    "h": 260.8
  },
  "luminance": 0.11403
}

Semantic roles & 50–950 ramp

primary

#1558CA

secondary

#D5AC66

accent

#AE30F8

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #1558CA

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

Preview Lab → · Contrast checker → · Palette generator →