#155FCA#155FCA

#155FCA is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.181 H 259.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#155FCA
RGB	rgb(21, 95, 202)
HSL	hsl(215, 81%, 44%)
HSV	hsv(215, 90%, 79%)
CMYK	cmyk(89.6%, 53%, 0%, 20.8%)
CIE-LAB	lab(42.16, 19.85, -61.38)
CIE-LCH	lch(42.16, 64.51, 287.92°)
OKLab	oklab(50.79% -0.0343 -0.1772)
OKLCH	oklch(50.79% 0.181 259)
XYZ	xyz(15.0582, 12.6061, 57.5052)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155FCA #CA8015

analogous

#15B9CA #155FCA #2615CA

triadic

#155FCA #CA155F #5FCA15

tetradic

#155FCA #CA15B9 #CA8015 #15CA26

square

#155FCA #CA15B9 #CA8015 #15CA26

split-complementary

#155FCA #CA2615 #B9CA15

monochromatic

#092B5B #0F4593 #155FCA #327DEA #6AA1EF

Accessibility & contrast

On white

5.96

#155FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#155FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155FCA

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155FCA	#FFFFFF	#000000	##FFFFFF
##155FCA	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#026CCE

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#007A8B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #155fca;
/* rgb */ color: rgb(21, 95, 202);
/* oklch */ color: oklch(50.8% 0.181 259.0);

Tailwind

colors: {
  custom: {
    50: '#788bdb',
    500: '#155fca',
    950: '#000000',
  },
}

SCSS

$custom: #155fca;
$custom-light: #788bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#155fca",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 215.47,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50789,
    "c": 0.18052,
    "h": 259
  },
  "luminance": 0.12608
}

Semantic roles & 50–950 ramp

primary

#155FCA

secondary

#D5A866

accent

#A630F8

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #155FCA

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

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