#338CB0#338CB0

#338CB0 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.3% C 0.099 H 228.8°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#338CB0
RGB	rgb(51, 140, 176)
HSL	hsl(197, 55%, 45%)
HSV	hsv(197, 71%, 69%)
CMYK	cmyk(71%, 20.5%, 0%, 31%)
CIE-LAB	lab(54.65, -14.36, -26.55)
CIE-LCH	lch(54.65, 30.19, 241.59°)
OKLab	oklab(60.3% -0.0652 -0.0744)
OKLCH	oklch(60.3% 0.099 228.8)
XYZ	xyz(18.5766, 22.5925, 44.4476)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338CB0 #B05733

analogous

#33B096 #338CB0 #334EB0

triadic

#338CB0 #B0338C #8CB033

tetradic

#338CB0 #9633B0 #B05733 #4EB033

square

#338CB0 #9633B0 #B05733 #4EB033

split-complementary

#338CB0 #B0334E #B09633

monochromatic

#184151 #256681 #338CB0 #53AACD #82C1DB

Accessibility & contrast

On white

3.81

#338CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#338CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338CB0

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338CB0	#FFFFFF	#000000	##000000
##338CB0	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB2

Deuteranopia (green-blind)

#687DB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #338cb0;
/* rgb */ color: rgb(51, 140, 176);
/* oklch */ color: oklch(60.3% 0.099 228.8);

Tailwind

colors: {
  custom: {
    50: '#7badc7',
    500: '#338cb0',
    950: '#000000',
  },
}

SCSS

$custom: #338cb0;
$custom-light: #7badc7;
$custom-dark: #000000;

JSON

{
  "hex": "#338cb0",
  "rgb": {
    "r": 51,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 197.28,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.60297,
    "c": 0.09893,
    "h": 228.8
  },
  "luminance": 0.22595
}

Semantic roles & 50–950 ramp

primary

#338CB0

secondary

#C4907B

accent

#7449DE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338CB0

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

Preview Lab → · Contrast checker → · Palette generator →