#153DCA#153DCA

#153DCA is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.3% C 0.220 H 265.0°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#153DCA
RGB	rgb(21, 61, 202)
HSL	hsl(227, 81%, 44%)
HSV	hsv(227, 90%, 79%)
CMYK	cmyk(89.6%, 69.8%, 0%, 20.8%)
CIE-LAB	lab(33.48, 41.92, -75.60)
CIE-LCH	lch(33.48, 86.44, 299.01°)
OKLab	oklab(44.31% -0.0191 -0.2193)
OKLCH	oklch(44.31% 0.22 265)
XYZ	xyz(12.6349, 7.7595, 56.6975)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.76

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153DCA #CAA215

analogous

#1597CA #153DCA #4715CA

triadic

#153DCA #CA153D #3DCA15

tetradic

#153DCA #CA1597 #CAA215 #15CA47

square

#153DCA #CA1597 #CAA215 #15CA47

split-complementary

#153DCA #CA4715 #97CA15

monochromatic

#091C5B #0F2C93 #153DCA #325BEA #6A87EF

Accessibility & contrast

On white

8.23

#153DCA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#153DCA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153DCA

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153DCA	#FFFFFF	#000000	##FFFFFF
##153DCA	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CE

Deuteranopia (green-blind)

#0046C7

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #153dca;
/* rgb */ color: rgb(21, 61, 202);
/* oklch */ color: oklch(44.3% 0.220 265.0);

Tailwind

colors: {
  custom: {
    50: '#7a73db',
    500: '#153dca',
    950: '#000000',
  },
}

SCSS

$custom: #153dca;
$custom-light: #7a73db;
$custom-dark: #000000;

JSON

{
  "hex": "#153dca",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 202
  },
  "hsl": {
    "h": 226.74,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44311,
    "c": 0.22013,
    "h": 265
  },
  "luminance": 0.07761
}

Semantic roles & 50–950 ramp

primary

#153DCA

secondary

#D5BC66

accent

#CC30F8

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #153DCA

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

Preview Lab → · Contrast checker → · Palette generator →