#1538CA#1538CA

#1538CA is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.5% C 0.225 H 265.5°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1538CA
RGB	rgb(21, 56, 202)
HSL	hsl(228, 81%, 44%)
HSV	hsv(228, 90%, 79%)
CMYK	cmyk(89.6%, 72.3%, 0%, 20.8%)
CIE-LAB	lab(32.37, 44.96, -77.43)
CIE-LCH	lch(32.37, 89.53, 300.14°)
OKLab	oklab(43.51% -0.0178 -0.2246)
OKLCH	oklch(43.51% 0.225 265.5)
XYZ	xyz(12.3804, 7.2504, 56.6126)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1538CA #CAA715

analogous

#1592CA #1538CA #4C15CA

triadic

#1538CA #CA1538 #38CA15

tetradic

#1538CA #CA1592 #CAA715 #15CA4C

square

#1538CA #CA1592 #CAA715 #15CA4C

split-complementary

#1538CA #CA4C15 #92CA15

monochromatic

#09195B #0F2993 #1538CA #3256EA #6A84EF

Accessibility & contrast

On white

8.57

#1538CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1538CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1538CA

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1538CA	#FFFFFF	#000000	##FFFFFF
##1538CA	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CE

Deuteranopia (green-blind)

#0043C7

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1538ca;
/* rgb */ color: rgb(21, 56, 202);
/* oklch */ color: oklch(43.5% 0.225 265.5);

Tailwind

colors: {
  custom: {
    50: '#7b6fdc',
    500: '#1538ca',
    950: '#000000',
  },
}

SCSS

$custom: #1538ca;
$custom-light: #7b6fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#1538ca",
  "rgb": {
    "r": 21,
    "g": 56,
    "b": 202
  },
  "hsl": {
    "h": 228.398,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43511,
    "c": 0.22531,
    "h": 265.5
  },
  "luminance": 0.07252
}

Semantic roles & 50–950 ramp

primary

#1538CA

secondary

#D5BF66

accent

#D130F8

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #1538CA

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

Preview Lab → · Contrast checker → · Palette generator →