#2150B2#2150B2

#2150B2 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.165 H 262.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#2150B2
RGB	rgb(33, 80, 178)
HSL	hsl(221, 69%, 41%)
HSV	hsv(221, 81%, 70%)
CMYK	cmyk(81.5%, 55.1%, 0%, 30.2%)
CIE-LAB	lab(36.51, 21.19, -56.54)
CIE-LCH	lch(36.51, 60.38, 290.54°)
OKLab	oklab(46.01% -0.0213 -0.1632)
OKLCH	oklch(46.01% 0.165 262.6)
XYZ	xyz(11.5289, 9.2736, 43.2932)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2150B2 #B28321

analogous

#2199B2 #2150B2 #3B21B2

triadic

#2150B2 #B22150 #50B221

tetradic

#2150B2 #B22199 #B28321 #21B23B

square

#2150B2 #B22199 #B28321 #21B23B

split-complementary

#2150B2 #B23B21 #99B221

monochromatic

#0E224B #17397E #2150B2 #366BDA #6A91E3

Accessibility & contrast

On white

7.36

#2150B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#2150B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2150B2

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2150B2	#FFFFFF	#000000	##FFFFFF
##2150B2	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB5

Deuteranopia (green-blind)

#0050B0

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2150b2;
/* rgb */ color: rgb(33, 80, 178);
/* oklch */ color: oklch(46.0% 0.165 262.6);

Tailwind

colors: {
  custom: {
    50: '#7580ca',
    500: '#2150b2',
    950: '#000000',
  },
}

SCSS

$custom: #2150b2;
$custom-light: #7580ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2150b2",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 178
  },
  "hsl": {
    "h": 220.552,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.46006,
    "c": 0.16456,
    "h": 262.6
  },
  "luminance": 0.09275
}

Semantic roles & 50–950 ramp

primary

#2150B2

secondary

#C9A966

accent

#B33CEC

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2150B2

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

Preview Lab → · Contrast checker → · Palette generator →