#217EA4#217EA4

#217EA4 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.101 H 230.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#217EA4
RGB	rgb(33, 126, 164)
HSL	hsl(197, 66%, 39%)
HSV	hsv(197, 80%, 64%)
CMYK	cmyk(79.9%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(49.40, -13.00, -27.79)
CIE-LCH	lch(49.40, 30.68, 244.93°)
OKLab	oklab(55.82% -0.0641 -0.0782)
OKLCH	oklch(55.82% 0.101 230.7)
XYZ	xyz(14.7862, 17.9236, 37.7951)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217EA4 #A44721

analogous

#21A488 #217EA4 #213CA4

triadic

#217EA4 #A4217E #7EA421

tetradic

#217EA4 #8821A4 #A44721 #3CA421

square

#217EA4 #8821A4 #A44721 #3CA421

split-complementary

#217EA4 #A4213C #A48821

monochromatic

#0C303E #175771 #217EA4 #2DA4D5 #60BADF

Accessibility & contrast

On white

4.58

#217EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#217EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #217EA4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217EA4	#FFFFFF	#000000	##000000
##217EA4	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA6

Deuteranopia (green-blind)

#5970A3

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #217ea4;
/* rgb */ color: rgb(33, 126, 164);
/* oklch */ color: oklch(55.8% 0.101 230.7);

Tailwind

colors: {
  custom: {
    50: '#72a3bf',
    500: '#217ea4',
    950: '#000000',
  },
}

SCSS

$custom: #217ea4;
$custom-light: #72a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#217ea4",
  "rgb": {
    "r": 33,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 197.405,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.55815,
    "c": 0.10116,
    "h": 230.7
  },
  "luminance": 0.17925
}

Semantic roles & 50–950 ramp

primary

#217EA4

secondary

#C47B5D

accent

#703EE9

background

#F7FAFB

surface

#EDF3F7

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #217EA4

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

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