#338B9E#338B9E

#338B9E is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.3% C 0.087 H 214.8°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#338B9E
RGB	rgb(51, 139, 158)
HSL	hsl(191, 51%, 41%)
HSV	hsv(191, 68%, 62%)
CMYK	cmyk(67.7%, 12%, 0%, 38%)
CIE-LAB	lab(53.64, -19.75, -17.76)
CIE-LCH	lch(53.64, 26.56, 221.97°)
OKLab	oklab(59.25% -0.0712 -0.0494)
OKLCH	oklch(59.25% 0.087 214.8)
XYZ	xyz(16.7668, 21.6358, 35.6336)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338B9E #9E4633

analogous

#339E7B #338B9E #33559E

triadic

#338B9E #9E338B #8B9E33

tetradic

#338B9E #7B339E #9E4633 #559E33

square

#338B9E #7B339E #9E4633 #559E33

split-complementary

#338B9E #9E3355 #9E7B33

monochromatic

#153A41 #246270 #338B9E #4AAFC4 #78C3D3

Accessibility & contrast

On white

3.94

#338B9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#338B9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338B9E

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338B9E	#FFFFFF	#000000	##000000
##338B9E	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D879F

Deuteranopia (green-blind)

#6E7B9E

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #338b9e;
/* rgb */ color: rgb(51, 139, 158);
/* oklch */ color: oklch(59.3% 0.087 214.8);

Tailwind

colors: {
  custom: {
    50: '#78adba',
    500: '#338b9e',
    950: '#000000',
  },
}

SCSS

$custom: #338b9e;
$custom-light: #78adba;
$custom-dark: #000000;

JSON

{
  "hex": "#338b9e",
  "rgb": {
    "r": 51,
    "g": 139,
    "b": 158
  },
  "hsl": {
    "h": 190.654,
    "s": 51.196,
    "l": 40.98
  },
  "oklch": {
    "l": 0.59253,
    "c": 0.08667,
    "h": 214.8
  },
  "luminance": 0.21638
}

Semantic roles & 50–950 ramp

primary

#338B9E

secondary

#BC7E71

accent

#664DDB

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #338B9E

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

Preview Lab → · Contrast checker → · Palette generator →