#2150B4#2150B4

#2150B4 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.167 H 262.7°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2150B4
RGB	rgb(33, 80, 180)
HSL	hsl(221, 69%, 42%)
HSV	hsv(221, 82%, 71%)
CMYK	cmyk(81.7%, 55.6%, 0%, 29.4%)
CIE-LAB	lab(36.66, 21.97, -57.47)
CIE-LCH	lch(36.66, 61.53, 290.92°)
OKLab	oklab(46.17% -0.0211 -0.1659)
OKLCH	oklch(46.17% 0.167 262.7)
XYZ	xyz(11.7311, 9.3545, 44.3585)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2150B4 #B48521

analogous

#219AB4 #2150B4 #3B21B4

triadic

#2150B4 #B42150 #50B421

tetradic

#2150B4 #B4219A #B48521 #21B43B

square

#2150B4 #B4219A #B48521 #21B43B

split-complementary

#2150B4 #B43B21 #9AB421

monochromatic

#0E224D #183980 #2150B4 #386CDA #6B92E4

Accessibility & contrast

On white

7.31

#2150B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2150B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2150B4

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2150B4	#FFFFFF	#000000	##FFFFFF
##2150B4	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB7

Deuteranopia (green-blind)

#0050B2

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2150b4;
/* rgb */ color: rgb(33, 80, 180);
/* oklch */ color: oklch(46.2% 0.167 262.7);

Tailwind

colors: {
  custom: {
    50: '#7680cb',
    500: '#2150b4',
    950: '#000000',
  },
}

SCSS

$custom: #2150b4;
$custom-light: #7680cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2150b4",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 180
  },
  "hsl": {
    "h": 220.816,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46169,
    "c": 0.16725,
    "h": 262.7
  },
  "luminance": 0.09356
}

Semantic roles & 50–950 ramp

primary

#2150B4

secondary

#CAAA67

accent

#B43CEC

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2150B4

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

Preview Lab → · Contrast checker → · Palette generator →