#217B8E#217B8E

#217B8E is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.0% C 0.086 H 215.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#217B8E
RGB	rgb(33, 123, 142)
HSL	hsl(190, 62%, 34%)
HSV	hsv(190, 77%, 56%)
CMYK	cmyk(76.8%, 13.4%, 0%, 44.3%)
CIE-LAB	lab(47.55, -19.03, -17.76)
CIE-LCH	lch(47.55, 26.03, 223.03°)
OKLab	oklab(54.03% -0.0698 -0.0496)
OKLCH	oklch(54.03% 0.086 215.4)
XYZ	xyz(12.5906, 16.4407, 28.0957)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217B8E #8E3421

analogous

#218E6B #217B8E #21448E

triadic

#217B8E #8E217B #7B8E21

tetradic

#217B8E #6B218E #8E3421 #448E21

square

#217B8E #6B218E #8E3421 #448E21

split-complementary

#217B8E #8E2144 #8E6B21

monochromatic

#0A252B #15505C #217B8E #2DA6C0 #52C0D7

Accessibility & contrast

On white

4.90

#217B8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#217B8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #217B8E

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217B8E	#FFFFFF	#000000	##FFFFFF
##217B8E	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E778F

Deuteranopia (green-blind)

#5F6C8E

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #217b8e;
/* rgb */ color: rgb(33, 123, 142);
/* oklch */ color: oklch(54.0% 0.086 215.4);

Tailwind

colors: {
  custom: {
    50: '#6ea1af',
    500: '#217b8e',
    950: '#000000',
  },
}

SCSS

$custom: #217b8e;
$custom-light: #6ea1af;
$custom-dark: #000000;

JSON

{
  "hex": "#217b8e",
  "rgb": {
    "r": 33,
    "g": 123,
    "b": 142
  },
  "hsl": {
    "h": 190.459,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.54026,
    "c": 0.08565,
    "h": 215.4
  },
  "luminance": 0.16442
}

Semantic roles & 50–950 ramp

primary

#217B8E

secondary

#BA6350

accent

#5F42E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #217B8E

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

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