#2158C2#2158C2

#2158C2 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.176 H 261.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#2158C2
RGB	rgb(33, 88, 194)
HSL	hsl(220, 71%, 45%)
HSV	hsv(220, 83%, 76%)
CMYK	cmyk(83%, 54.6%, 0%, 23.9%)
CIE-LAB	lab(39.91, 22.13, -60.40)
CIE-LCH	lch(39.91, 64.32, 290.13°)
OKLab	oklab(48.96% -0.0252 -0.1743)
OKLCH	oklch(48.96% 0.176 261.8)
XYZ	xyz(13.8510, 11.1961, 52.4595)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2158C2 #C28B21

analogous

#21A9C2 #2158C2 #3B21C2

triadic

#2158C2 #C22158 #58C221

tetradic

#2158C2 #C221A9 #C28B21 #21C23B

square

#2158C2 #C221A9 #C28B21 #21C23B

split-complementary

#2158C2 #C23B21 #A9C221

monochromatic

#0F2959 #18408E #2158C2 #4177DF #769DE8

Accessibility & contrast

On white

6.48

#2158C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#2158C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2158C2

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2158C2	#FFFFFF	#000000	##FFFFFF
##2158C2	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C6

Deuteranopia (green-blind)

#0057C0

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2158c2;
/* rgb */ color: rgb(33, 88, 194);
/* oklch */ color: oklch(49.0% 0.176 261.8);

Tailwind

colors: {
  custom: {
    50: '#7986d5',
    500: '#2158c2',
    950: '#000000',
  },
}

SCSS

$custom: #2158c2;
$custom-light: #7986d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2158c2",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 194
  },
  "hsl": {
    "h": 219.503,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48963,
    "c": 0.17616,
    "h": 261.8
  },
  "luminance": 0.11198
}

Semantic roles & 50–950 ramp

primary

#2158C2

secondary

#CFAE70

accent

#B03AEE

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2158C2

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

Preview Lab → · Contrast checker → · Palette generator →