#1550CA#1550CA

#1550CA is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.199 H 262.4°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#1550CA
RGB	rgb(21, 80, 202)
HSL	hsl(220, 81%, 44%)
HSV	hsv(220, 90%, 79%)
CMYK	cmyk(89.6%, 60.4%, 0%, 20.8%)
CIE-LAB	lab(38.13, 29.71, -67.96)
CIE-LCH	lch(38.13, 74.17, 293.61°)
OKLab	oklab(47.74% -0.0262 -0.1968)
OKLCH	oklch(47.74% 0.199 262.4)
XYZ	xyz(13.8348, 10.1592, 57.0974)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1550CA #CA8F15

analogous

#15AACA #1550CA #3415CA

triadic

#1550CA #CA1550 #50CA15

tetradic

#1550CA #CA15AA #CA8F15 #15CA34

square

#1550CA #CA15AA #CA8F15 #15CA34

split-complementary

#1550CA #CA3415 #AACA15

monochromatic

#09245B #0F3A93 #1550CA #326EEA #6A95EF

Accessibility & contrast

On white

6.93

#1550CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1550CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1550CA

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1550CA	#FFFFFF	#000000	##FFFFFF
##1550CA	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CE

Deuteranopia (green-blind)

#0052C8

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1550ca;
/* rgb */ color: rgb(21, 80, 202);
/* oklch */ color: oklch(47.7% 0.199 262.4);

Tailwind

colors: {
  custom: {
    50: '#7980db',
    500: '#1550ca',
    950: '#000000',
  },
}

SCSS

$custom: #1550ca;
$custom-light: #7980db;
$custom-dark: #000000;

JSON

{
  "hex": "#1550ca",
  "rgb": {
    "r": 21,
    "g": 80,
    "b": 202
  },
  "hsl": {
    "h": 220.442,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47739,
    "c": 0.19856,
    "h": 262.4
  },
  "luminance": 0.10161
}

Semantic roles & 50–950 ramp

primary

#1550CA

secondary

#D5B166

accent

#B730F8

background

#F8F7FD

surface

#EFEEFB

border

#CAC9D4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #1550CA

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

Preview Lab → · Contrast checker → · Palette generator →