#155DF2#155DF2

#155DF2 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 53.8% C 0.233 H 262.5°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#155DF2
RGB	rgb(21, 93, 242)
HSL	hsl(220, 89%, 52%)
HSV	hsv(220, 91%, 95%)
CMYK	cmyk(91.3%, 61.6%, 0%, 5.1%)
CIE-LAB	lab(44.80, 36.55, -79.84)
CIE-LCH	lch(44.80, 87.81, 294.60°)
OKLab	oklab(53.75% -0.0306 -0.2314)
OKLCH	oklch(53.75% 0.233 262.5)
XYZ	xyz(20.2449, 14.3962, 85.6989)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155DF2 #F2AA15

analogous

#15CCF2 #155DF2 #3B15F2

triadic

#155DF2 #F2155D #5DF215

tetradic

#155DF2 #F215CC #F2AA15 #15F23B

square

#155DF2 #F215CC #F2AA15 #15F23B

split-complementary

#155DF2 #F23B15 #CCF215

monochromatic

#073085 #0B45BF #155DF2 #4F85F5 #89ADF8

Accessibility & contrast

On white

5.41

#155DF2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#155DF2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155DF2

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155DF2	#FFFFFF	#000000	##FFFFFF
##155DF2	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F7

Deuteranopia (green-blind)

#0060EF

Tritanopia (blue-blind)

#00849F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #155df2;
/* rgb */ color: rgb(21, 93, 242);
/* oklch */ color: oklch(53.8% 0.233 262.5);

Tailwind

colors: {
  custom: {
    50: '#828af8',
    500: '#155df2',
    950: '#000000',
  },
}

SCSS

$custom: #155df2;
$custom-light: #828af8;
$custom-dark: #000000;

JSON

{
  "hex": "#155df2",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 242
  },
  "hsl": {
    "h": 220.452,
    "s": 89.474,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53754,
    "c": 0.23342,
    "h": 262.5
  },
  "luminance": 0.14399
}

Semantic roles & 50–950 ramp

primary

#155DF2

secondary

#E2C281

accent

#B929FF

background

#F9F8FF

surface

#F1F0FF

border

#CBCBD7

text

#0D0B17

muted

#7E7C85

Preview Lab

Preview with #155DF2

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

Preview Lab → · Contrast checker → · Palette generator →