#2155A7#2155A7

#2155A7 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.2% C 0.143 H 259.4°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#2155A7
RGB	rgb(33, 85, 167)
HSL	hsl(217, 67%, 39%)
HSV	hsv(217, 80%, 65%)
CMYK	cmyk(80.2%, 49.1%, 0%, 34.5%)
CIE-LAB	lab(37.13, 13.52, -49.00)
CIE-LCH	lch(37.13, 50.83, 285.43°)
OKLab	oklab(46.23% -0.0263 -0.1409)
OKLCH	oklch(46.23% 0.143 259.4)
XYZ	xyz(10.8482, 9.6091, 37.8347)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2155A7 #A77321

analogous

#2198A7 #2155A7 #3021A7

triadic

#2155A7 #A72155 #55A721

tetradic

#2155A7 #A72198 #A77321 #21A730

square

#2155A7 #A72198 #A77321 #21A730

split-complementary

#2155A7 #A73021 #98A721

monochromatic

#0D2141 #173B74 #2155A7 #2F70D6 #6293E0

Accessibility & contrast

On white

7.19

#2155A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2155A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2155A7

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2155A7	#FFFFFF	#000000	##FFFFFF
##2155A7	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255EAA

Deuteranopia (green-blind)

#0052A5

Tritanopia (blue-blind)

#006976

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2155a7;
/* rgb */ color: rgb(33, 85, 167);
/* oklch */ color: oklch(46.2% 0.143 259.4);

Tailwind

colors: {
  custom: {
    50: '#7284c2',
    500: '#2155a7',
    950: '#000000',
  },
}

SCSS

$custom: #2155a7;
$custom-light: #7284c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2155a7",
  "rgb": {
    "r": 33,
    "g": 85,
    "b": 167
  },
  "hsl": {
    "h": 216.716,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46232,
    "c": 0.14333,
    "h": 259.4
  },
  "luminance": 0.0961
}

Semantic roles & 50–950 ramp

primary

#2155A7

secondary

#C59D5F

accent

#A73EEA

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2155A7

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

Preview Lab → · Contrast checker → · Palette generator →