#2154C2#2154C2

#2154C2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.181 H 262.8°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#2154C2
RGB	rgb(33, 84, 194)
HSL	hsl(221, 71%, 45%)
HSV	hsv(221, 83%, 76%)
CMYK	cmyk(83%, 56.7%, 0%, 23.9%)
CIE-LAB	lab(38.82, 24.77, -62.16)
CIE-LCH	lch(38.82, 66.91, 291.72°)
OKLab	oklab(48.14% -0.0227 -0.1796)
OKLCH	oklch(48.14% 0.181 262.8)
XYZ	xyz(13.5316, 10.5574, 52.3531)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2154C2 #C28F21

analogous

#21A5C2 #2154C2 #3F21C2

triadic

#2154C2 #C22154 #54C221

tetradic

#2154C2 #C221A5 #C28F21 #21C23F

square

#2154C2 #C221A5 #C28F21 #21C23F

split-complementary

#2154C2 #C23F21 #A5C221

monochromatic

#0F2759 #183D8E #2154C2 #4173DF #769AE8

Accessibility & contrast

On white

6.75

#2154C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2154C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2154C2

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2154C2	#FFFFFF	#000000	##FFFFFF
##2154C2	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C6

Deuteranopia (green-blind)

#0054C0

Tritanopia (blue-blind)

#007083

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2154c2;
/* rgb */ color: rgb(33, 84, 194);
/* oklch */ color: oklch(48.1% 0.181 262.8);

Tailwind

colors: {
  custom: {
    50: '#7983d5',
    500: '#2154c2',
    950: '#000000',
  },
}

SCSS

$custom: #2154c2;
$custom-light: #7983d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2154c2",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 194
  },
  "hsl": {
    "h": 220.994,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48144,
    "c": 0.18104,
    "h": 262.8
  },
  "luminance": 0.10559
}

Semantic roles & 50–950 ramp

primary

#2154C2

secondary

#CFB170

accent

#B53AEE

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2154C2

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

Preview Lab → · Contrast checker → · Palette generator →