#217CBC#217CBC

#217CBC is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.128 H 244.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#217CBC
RGB	rgb(33, 124, 188)
HSL	hsl(205, 70%, 43%)
HSV	hsv(205, 82%, 74%)
CMYK	cmyk(82.4%, 34%, 0%, 26.3%)
CIE-LAB	lab(49.94, -3.01, -40.84)
CIE-LCH	lch(49.94, 40.95, 265.78°)
OKLab	oklab(56.62% -0.0544 -0.1162)
OKLCH	oklch(56.62% 0.128 244.9)
XYZ	xyz(16.9084, 18.3674, 50.2213)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217CBC #BC6121

analogous

#21BCAE #217CBC #212EBC

triadic

#217CBC #BC217C #7CBC21

tetradic

#217CBC #AE21BC #BC6121 #2EBC21

square

#217CBC #AE21BC #BC6121 #2EBC21

split-complementary

#217CBC #BC212E #BCAE21

monochromatic

#0F3754 #185A88 #217CBC #3D9BDD #71B6E6

Accessibility & contrast

On white

4.49

#217CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#217CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217CBC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217CBC	#FFFFFF	#000000	##000000
##217CBC	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBF

Deuteranopia (green-blind)

#4871BB

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #217cbc;
/* rgb */ color: rgb(33, 124, 188);
/* oklch */ color: oklch(56.6% 0.128 244.9);

Tailwind

colors: {
  custom: {
    50: '#77a1d0',
    500: '#217cbc',
    950: '#000000',
  },
}

SCSS

$custom: #217cbc;
$custom-light: #77a1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#217cbc",
  "rgb": {
    "r": 33,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 204.774,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56617,
    "c": 0.12827,
    "h": 244.9
  },
  "luminance": 0.18369
}

Semantic roles & 50–950 ramp

primary

#217CBC

secondary

#CD946C

accent

#843BED

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #217CBC

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

Preview Lab → · Contrast checker → · Palette generator →