#2155AC#2155AC

#2155AC is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.6% C 0.150 H 260.2°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#2155AC
RGB	rgb(33, 85, 172)
HSL	hsl(218, 68%, 40%)
HSV	hsv(218, 81%, 67%)
CMYK	cmyk(80.8%, 50.6%, 0%, 32.5%)
CIE-LAB	lab(37.48, 15.50, -51.42)
CIE-LCH	lch(37.48, 53.70, 286.77°)
OKLab	oklab(46.61% -0.0256 -0.148)
OKLCH	oklch(46.61% 0.15 260.2)
XYZ	xyz(11.3194, 9.7975, 40.3163)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2155AC #AC7821

analogous

#219AAC #2155AC #3221AC

triadic

#2155AC #AC2155 #55AC21

tetradic

#2155AC #AC219A #AC7821 #21AC32

square

#2155AC #AC219A #AC7821 #21AC32

split-complementary

#2155AC #AC3221 #9AAC21

monochromatic

#0D2245 #173C79 #2155AC #3270D8 #6694E2

Accessibility & contrast

On white

7.10

#2155AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2155AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2155AC

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2155AC	#FFFFFF	#000000	##FFFFFF
##2155AC	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5FAF

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2155ac;
/* rgb */ color: rgb(33, 85, 172);
/* oklch */ color: oklch(46.6% 0.150 260.2);

Tailwind

colors: {
  custom: {
    50: '#7384c5',
    500: '#2155ac',
    950: '#000000',
  },
}

SCSS

$custom: #2155ac;
$custom-light: #7384c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2155ac",
  "rgb": {
    "r": 33,
    "g": 85,
    "b": 172
  },
  "hsl": {
    "h": 217.554,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46606,
    "c": 0.15019,
    "h": 260.2
  },
  "luminance": 0.09799
}

Semantic roles & 50–950 ramp

primary

#2155AC

secondary

#C7A162

accent

#AA3DEB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2155AC

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

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