#2153C2#2153C2

#2153C2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.182 H 263.0°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#2153C2
RGB	rgb(33, 83, 194)
HSL	hsl(221, 71%, 45%)
HSV	hsv(221, 83%, 76%)
CMYK	cmyk(83%, 57.2%, 0%, 23.9%)
CIE-LAB	lab(38.56, 25.43, -62.60)
CIE-LCH	lch(38.56, 67.56, 292.11°)
OKLab	oklab(47.94% -0.0221 -0.1809)
OKLCH	oklch(47.94% 0.182 263)
XYZ	xyz(13.4546, 10.4032, 52.3274)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2153C2 #C29021

analogous

#21A4C2 #2153C2 #3F21C2

triadic

#2153C2 #C22153 #53C221

tetradic

#2153C2 #C221A4 #C29021 #21C23F

square

#2153C2 #C221A4 #C29021 #21C23F

split-complementary

#2153C2 #C23F21 #A4C221

monochromatic

#0F2659 #183D8E #2153C2 #4172DF #7699E8

Accessibility & contrast

On white

6.82

#2153C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2153C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2153C2

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2153C2	#FFFFFF	#000000	##FFFFFF
##2153C2	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C6

Deuteranopia (green-blind)

#0054C0

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2153c2;
/* rgb */ color: rgb(33, 83, 194);
/* oklch */ color: oklch(47.9% 0.182 263.0);

Tailwind

colors: {
  custom: {
    50: '#7982d5',
    500: '#2153c2',
    950: '#000000',
  },
}

SCSS

$custom: #2153c2;
$custom-light: #7982d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2153c2",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 194
  },
  "hsl": {
    "h": 221.366,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47942,
    "c": 0.18225,
    "h": 263
  },
  "luminance": 0.10405
}

Semantic roles & 50–950 ramp

primary

#2153C2

secondary

#CFB170

accent

#B63AEE

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2153C2

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

Preview Lab → · Contrast checker → · Palette generator →