#2157A7#2157A7

#2157A7 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.7% C 0.141 H 258.6°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#2157A7
RGB	rgb(33, 87, 167)
HSL	hsl(216, 67%, 39%)
HSV	hsv(216, 80%, 65%)
CMYK	cmyk(80.2%, 47.9%, 0%, 34.5%)
CIE-LAB	lab(37.71, 12.20, -48.06)
CIE-LCH	lch(37.71, 49.59, 284.24°)
OKLab	oklab(46.68% -0.0279 -0.1381)
OKLCH	oklch(46.68% 0.141 258.6)
XYZ	xyz(11.0079, 9.9284, 37.8879)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2157A7 #A77121

analogous

#219AA7 #2157A7 #2E21A7

triadic

#2157A7 #A72157 #57A721

tetradic

#2157A7 #A7219A #A77121 #21A72E

square

#2157A7 #A7219A #A77121 #21A72E

split-complementary

#2157A7 #A72E21 #9AA721

monochromatic

#0D2241 #173C74 #2157A7 #2F72D6 #6295E0

Accessibility & contrast

On white

7.03

#2157A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2157A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2157A7

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2157A7	#FFFFFF	#000000	##FFFFFF
##2157A7	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5FAA

Deuteranopia (green-blind)

#0053A5

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2157a7;
/* rgb */ color: rgb(33, 87, 167);
/* oklch */ color: oklch(46.7% 0.141 258.6);

Tailwind

colors: {
  custom: {
    50: '#7285c2',
    500: '#2157a7',
    950: '#000000',
  },
}

SCSS

$custom: #2157a7;
$custom-light: #7285c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2157a7",
  "rgb": {
    "r": 33,
    "g": 87,
    "b": 167
  },
  "hsl": {
    "h": 215.821,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46679,
    "c": 0.14089,
    "h": 258.6
  },
  "luminance": 0.0993
}

Semantic roles & 50–950 ramp

primary

#2157A7

secondary

#C59C5F

accent

#A53EEA

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2157A7

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

Preview Lab → · Contrast checker → · Palette generator →