#2156CA#2156CA

#2156CA is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.2% C 0.189 H 262.9°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#2156CA
RGB	rgb(33, 86, 202)
HSL	hsl(221, 72%, 46%)
HSV	hsv(221, 84%, 79%)
CMYK	cmyk(83.7%, 57.4%, 0%, 20.8%)
CIE-LAB	lab(39.98, 26.54, -64.91)
CIE-LCH	lch(39.98, 70.13, 292.24°)
OKLab	oklab(49.21% -0.0234 -0.1877)
OKLCH	oklch(49.21% 0.189 262.9)
XYZ	xyz(14.6118, 11.2414, 57.2653)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2156CA #CA9521

analogous

#21AACA #2156CA #4021CA

triadic

#2156CA #CA2156 #56CA21

tetradic

#2156CA #CA21AA #CA9521 #21CA40

square

#2156CA #CA21AA #CA9521 #21CA40

split-complementary

#2156CA #CA4021 #AACA21

monochromatic

#102961 #184095 #2156CA #4777E1 #7C9EEA

Accessibility & contrast

On white

6.46

#2156CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2156CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2156CA

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2156CA	#FFFFFF	#000000	##FFFFFF
##2156CA	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2156ca;
/* rgb */ color: rgb(33, 86, 202);
/* oklch */ color: oklch(49.2% 0.189 262.9);

Tailwind

colors: {
  custom: {
    50: '#7b85db',
    500: '#2156ca',
    950: '#000000',
  },
}

SCSS

$custom: #2156ca;
$custom-light: #7b85db;
$custom-dark: #000000;

JSON

{
  "hex": "#2156ca",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 202
  },
  "hsl": {
    "h": 221.183,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49213,
    "c": 0.18911,
    "h": 262.9
  },
  "luminance": 0.11243
}

Semantic roles & 50–950 ramp

primary

#2156CA

secondary

#D2B575

accent

#B639EF

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2156CA

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

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