#2152B4#2152B4

#2152B4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.6% C 0.165 H 262.2°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#2152B4
RGB	rgb(33, 82, 180)
HSL	hsl(220, 69%, 42%)
HSV	hsv(220, 82%, 71%)
CMYK	cmyk(81.7%, 54.4%, 0%, 29.4%)
CIE-LAB	lab(37.21, 20.64, -56.58)
CIE-LCH	lch(37.21, 60.22, 290.04°)
OKLab	oklab(46.59% -0.0225 -0.1632)
OKLCH	oklch(46.59% 0.165 262.2)
XYZ	xyz(11.8797, 9.6518, 44.4080)
Luminance	0.0965 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2152B4 #B48321

analogous

#219CB4 #2152B4 #3A21B4

triadic

#2152B4 #B42152 #52B421

tetradic

#2152B4 #B4219C #B48321 #21B43A

square

#2152B4 #B4219C #B48321 #21B43A

split-complementary

#2152B4 #B43A21 #9CB421

monochromatic

#0E234D #183A80 #2152B4 #386EDA #6B94E4

Accessibility & contrast

On white

7.17

#2152B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2152B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2152B4

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2152B4	#FFFFFF	#000000	##FFFFFF
##2152B4	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB7

Deuteranopia (green-blind)

#0051B2

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2152b4;
/* rgb */ color: rgb(33, 82, 180);
/* oklch */ color: oklch(46.6% 0.165 262.2);

Tailwind

colors: {
  custom: {
    50: '#7581cb',
    500: '#2152b4',
    950: '#000000',
  },
}

SCSS

$custom: #2152b4;
$custom-light: #7581cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2152b4",
  "rgb": {
    "r": 33,
    "g": 82,
    "b": 180
  },
  "hsl": {
    "h": 220,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46587,
    "c": 0.16478,
    "h": 262.2
  },
  "luminance": 0.09653
}

Semantic roles & 50–950 ramp

primary

#2152B4

secondary

#CAA967

accent

#B13CEC

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2152B4

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

Preview Lab → · Contrast checker → · Palette generator →