#155DCA#155DCA

#155DCA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.183 H 259.6°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#155DCA
RGB	rgb(21, 93, 202)
HSL	hsl(216, 81%, 44%)
HSV	hsv(216, 90%, 79%)
CMYK	cmyk(89.6%, 54%, 0%, 20.8%)
CIE-LAB	lab(41.61, 21.16, -62.28)
CIE-LCH	lch(41.61, 65.77, 288.76°)
OKLab	oklab(50.37% -0.0331 -0.1799)
OKLCH	oklch(50.37% 0.183 259.6)
XYZ	xyz(14.8804, 12.2505, 57.4459)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155DCA #CA8215

analogous

#15B7CA #155DCA #2815CA

triadic

#155DCA #CA155D #5DCA15

tetradic

#155DCA #CA15B7 #CA8215 #15CA28

square

#155DCA #CA15B7 #CA8215 #15CA28

split-complementary

#155DCA #CA2815 #B7CA15

monochromatic

#092A5B #0F4393 #155DCA #327BEA #6A9FEF

Accessibility & contrast

On white

6.09

#155DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#155DCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155DCA

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155DCA	#FFFFFF	#000000	##FFFFFF
##155DCA	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACE

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #155dca;
/* rgb */ color: rgb(21, 93, 202);
/* oklch */ color: oklch(50.4% 0.183 259.6);

Tailwind

colors: {
  custom: {
    50: '#788adb',
    500: '#155dca',
    950: '#000000',
  },
}

SCSS

$custom: #155dca;
$custom-light: #788adb;
$custom-dark: #000000;

JSON

{
  "hex": "#155dca",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 202
  },
  "hsl": {
    "h": 216.133,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50368,
    "c": 0.18293,
    "h": 259.6
  },
  "luminance": 0.12252
}

Semantic roles & 50–950 ramp

primary

#155DCA

secondary

#D5A966

accent

#A830F8

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #155DCA

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

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