#1553CA#1553CA

#1553CA is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.195 H 261.8°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#1553CA
RGB	rgb(21, 83, 202)
HSL	hsl(219, 81%, 44%)
HSV	hsv(219, 90%, 79%)
CMYK	cmyk(89.6%, 58.9%, 0%, 20.8%)
CIE-LAB	lab(38.91, 27.74, -66.67)
CIE-LCH	lch(38.91, 72.21, 292.59°)
OKLab	oklab(48.33% -0.0277 -0.193)
OKLCH	oklch(48.33% 0.195 261.8)
XYZ	xyz(14.0593, 10.6084, 57.1723)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1553CA #CA8C15

analogous

#15ADCA #1553CA #3215CA

triadic

#1553CA #CA1553 #53CA15

tetradic

#1553CA #CA15AD #CA8C15 #15CA32

square

#1553CA #CA15AD #CA8C15 #15CA32

split-complementary

#1553CA #CA3215 #ADCA15

monochromatic

#09255B #0F3C93 #1553CA #3271EA #6A98EF

Accessibility & contrast

On white

6.73

#1553CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#1553CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1553CA

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1553CA	#FFFFFF	#000000	##FFFFFF
##1553CA	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CE

Deuteranopia (green-blind)

#0054C8

Tritanopia (blue-blind)

#007286

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1553ca;
/* rgb */ color: rgb(21, 83, 202);
/* oklch */ color: oklch(48.3% 0.195 261.8);

Tailwind

colors: {
  custom: {
    50: '#7882db',
    500: '#1553ca',
    950: '#000000',
  },
}

SCSS

$custom: #1553ca;
$custom-light: #7882db;
$custom-dark: #000000;

JSON

{
  "hex": "#1553ca",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 202
  },
  "hsl": {
    "h": 219.448,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48328,
    "c": 0.19499,
    "h": 261.8
  },
  "luminance": 0.1061
}

Semantic roles & 50–950 ramp

primary

#1553CA

secondary

#D5AF66

accent

#B330F8

background

#F8F7FD

surface

#EFEEFB

border

#CAC9D4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #1553CA

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

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