#155CF2#155CF2

#155CF2 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 53.6% C 0.235 H 262.6°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#155CF2
RGB	rgb(21, 92, 242)
HSL	hsl(221, 89%, 52%)
HSV	hsv(221, 91%, 95%)
CMYK	cmyk(91.3%, 62%, 0%, 5.1%)
CIE-LAB	lab(44.55, 37.19, -80.24)
CIE-LCH	lch(44.55, 88.44, 294.86°)
OKLab	oklab(53.57% -0.0302 -0.2326)
OKLCH	oklch(53.57% 0.235 262.6)
XYZ	xyz(20.1577, 14.2218, 85.6698)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155CF2 #F2AB15

analogous

#15CBF2 #155CF2 #3D15F2

triadic

#155CF2 #F2155C #5CF215

tetradic

#155CF2 #F215CB #F2AB15 #15F23D

square

#155CF2 #F215CB #F2AB15 #15F23D

split-complementary

#155CF2 #F23D15 #CBF215

monochromatic

#073085 #0B45BF #155CF2 #4F84F5 #89ADF8

Accessibility & contrast

On white

5.46

#155CF2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#155CF2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155CF2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155CF2	#FFFFFF	#000000	##FFFFFF
##155CF2	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F7

Deuteranopia (green-blind)

#0060EF

Tritanopia (blue-blind)

#00849E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #155cf2;
/* rgb */ color: rgb(21, 92, 242);
/* oklch */ color: oklch(53.6% 0.235 262.6);

Tailwind

colors: {
  custom: {
    50: '#8289f8',
    500: '#155cf2',
    950: '#000000',
  },
}

SCSS

$custom: #155cf2;
$custom-light: #8289f8;
$custom-dark: #000000;

JSON

{
  "hex": "#155cf2",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 242
  },
  "hsl": {
    "h": 220.724,
    "s": 89.474,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5357,
    "c": 0.23456,
    "h": 262.6
  },
  "luminance": 0.14225
}

Semantic roles & 50–950 ramp

primary

#155CF2

secondary

#E2C381

accent

#BA29FF

background

#F9F8FF

surface

#F1F0FF

border

#CBCBD7

text

#0D0B17

muted

#7E7C85

Preview Lab

Preview with #155CF2

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

Preview Lab → · Contrast checker → · Palette generator →