#2156A5#2156A5

#2156A5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.3% C 0.139 H 258.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#2156A5
RGB	rgb(33, 86, 165)
HSL	hsl(216, 67%, 39%)
HSV	hsv(216, 80%, 65%)
CMYK	cmyk(80%, 47.9%, 0%, 35.3%)
CIE-LAB	lab(37.29, 12.07, -47.56)
CIE-LCH	lch(37.29, 49.06, 284.24°)
OKLab	oklab(46.31% -0.0275 -0.1366)
OKLCH	oklch(46.31% 0.139 258.6)
XYZ	xyz(10.7440, 9.6942, 36.8949)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156A5 #A57021

analogous

#2198A5 #2156A5 #2E21A5

triadic

#2156A5 #A52156 #56A521

tetradic

#2156A5 #A52198 #A57021 #21A52E

square

#2156A5 #A52198 #A57021 #21A52E

split-complementary

#2156A5 #A52E21 #98A521

monochromatic

#0D213F #173B72 #2156A5 #2E71D5 #6194DF

Accessibility & contrast

On white

7.14

#2156A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2156A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2156A5

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156A5	#FFFFFF	#000000	##FFFFFF
##2156A5	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5EA8

Deuteranopia (green-blind)

#0052A3

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2156a5;
/* rgb */ color: rgb(33, 86, 165);
/* oklch */ color: oklch(46.3% 0.139 258.6);

Tailwind

colors: {
  custom: {
    50: '#7285c0',
    500: '#2156a5',
    950: '#000000',
  },
}

SCSS

$custom: #2156a5;
$custom-light: #7285c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2156a5",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 165
  },
  "hsl": {
    "h": 215.909,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46309,
    "c": 0.13935,
    "h": 258.6
  },
  "luminance": 0.09696
}

Semantic roles & 50–950 ramp

primary

#2156A5

secondary

#C49B5E

accent

#A53EEA

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2156A5

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

Preview Lab → · Contrast checker → · Palette generator →