#217E9B#217E9B

#217E9B is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.094 H 223.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#217E9B
RGB	rgb(33, 126, 155)
HSL	hsl(194, 65%, 37%)
HSV	hsv(194, 79%, 61%)
CMYK	cmyk(78.7%, 18.7%, 0%, 39.2%)
CIE-LAB	lab(49.02, -16.19, -23.14)
CIE-LCH	lch(49.02, 28.24, 235.02°)
OKLab	oklab(55.38% -0.0676 -0.0648)
OKLCH	oklch(55.38% 0.094 223.8)
XYZ	xyz(14.0020, 17.6099, 33.6651)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#217E9B #9B3E21

analogous

#219B7B #217E9B #21419B

triadic

#217E9B #9B217E #7E9B21

tetradic

#217E9B #7B219B #9B3E21 #419B21

square

#217E9B #7B219B #9B3E21 #419B21

split-complementary

#217E9B #9B2141 #9B7B21

monochromatic

#0C2C36 #165569 #217E9B #2CA7CD #5ABDDC

Accessibility & contrast

On white

4.64

#217E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#217E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #217E9B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##217E9B	#FFFFFF	#000000	##FFFFFF
##217E9B	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9C

Deuteranopia (green-blind)

#5D6F9B

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #217e9b;
/* rgb */ color: rgb(33, 126, 155);
/* oklch */ color: oklch(55.4% 0.094 223.8);

Tailwind

colors: {
  custom: {
    50: '#71a3b8',
    500: '#217e9b',
    950: '#000000',
  },
}

SCSS

$custom: #217e9b;
$custom-light: #71a3b8;
$custom-dark: #000000;

JSON

{
  "hex": "#217e9b",
  "rgb": {
    "r": 33,
    "g": 126,
    "b": 155
  },
  "hsl": {
    "h": 194.262,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55381,
    "c": 0.09366,
    "h": 223.8
  },
  "luminance": 0.17612
}

Semantic roles & 50–950 ramp

primary

#217E9B

secondary

#C07058

accent

#6840E8

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #217E9B

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

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