#2155AE#2155AE

#2155AE is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.8% C 0.153 H 260.5°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#2155AE
RGB	rgb(33, 85, 174)
HSL	hsl(218, 68%, 41%)
HSV	hsv(218, 81%, 68%)
CMYK	cmyk(81%, 51.1%, 0%, 31.8%)
CIE-LAB	lab(37.62, 16.28, -52.37)
CIE-LCH	lch(37.62, 54.85, 287.27°)
OKLab	oklab(46.76% -0.0253 -0.1508)
OKLCH	oklch(46.76% 0.153 260.5)
XYZ	xyz(11.5129, 9.8749, 41.3355)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2155AE #AE7A21

analogous

#219BAE #2155AE #3321AE

triadic

#2155AE #AE2155 #55AE21

tetradic

#2155AE #AE219B #AE7A21 #21AE33

square

#2155AE #AE219B #AE7A21 #21AE33

split-complementary

#2155AE #AE3321 #9BAE21

monochromatic

#0D2347 #173C7B #2155AE #3470D8 #6795E2

Accessibility & contrast

On white

7.06

#2155AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2155AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2155AE

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2155AE	#FFFFFF	#000000	##FFFFFF
##2155AE	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5FB1

Deuteranopia (green-blind)

#0052AC

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2155ae;
/* rgb */ color: rgb(33, 85, 174);
/* oklch */ color: oklch(46.8% 0.153 260.5);

Tailwind

colors: {
  custom: {
    50: '#7484c7',
    500: '#2155ae',
    950: '#000000',
  },
}

SCSS

$custom: #2155ae;
$custom-light: #7484c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2155ae",
  "rgb": {
    "r": 33,
    "g": 85,
    "b": 174
  },
  "hsl": {
    "h": 217.872,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46759,
    "c": 0.15292,
    "h": 260.5
  },
  "luminance": 0.09876
}

Semantic roles & 50–950 ramp

primary

#2155AE

secondary

#C8A363

accent

#AB3DEB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2155AE

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

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