#338BB0#338BB0

#338BB0 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.1% C 0.099 H 229.8°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#338BB0
RGB	rgb(51, 139, 176)
HSL	hsl(198, 55%, 45%)
HSV	hsv(198, 71%, 69%)
CMYK	cmyk(71%, 21%, 0%, 31%)
CIE-LAB	lab(54.35, -13.81, -27.02)
CIE-LCH	lch(54.35, 30.35, 242.94°)
OKLab	oklab(60.05% -0.0641 -0.0758)
OKLCH	oklch(60.05% 0.099 229.8)
XYZ	xyz(18.4312, 22.3016, 44.3991)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338BB0 #B05833

analogous

#33B097 #338BB0 #334DB0

triadic

#338BB0 #B0338B #8BB033

tetradic

#338BB0 #9733B0 #B05833 #4DB033

square

#338BB0 #9733B0 #B05833 #4DB033

split-complementary

#338BB0 #B0334D #B09733

monochromatic

#184051 #256681 #338BB0 #53A9CD #82C1DB

Accessibility & contrast

On white

3.85

#338BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#338BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338BB0

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338BB0	#FFFFFF	#000000	##000000
##338BB0	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B2

Deuteranopia (green-blind)

#677DAF

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #338bb0;
/* rgb */ color: rgb(51, 139, 176);
/* oklch */ color: oklch(60.1% 0.099 229.8);

Tailwind

colors: {
  custom: {
    50: '#7badc7',
    500: '#338bb0',
    950: '#000000',
  },
}

SCSS

$custom: #338bb0;
$custom-light: #7badc7;
$custom-dark: #000000;

JSON

{
  "hex": "#338bb0",
  "rgb": {
    "r": 51,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 197.76,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.60054,
    "c": 0.09929,
    "h": 229.8
  },
  "luminance": 0.22304
}

Semantic roles & 50–950 ramp

primary

#338BB0

secondary

#C4907B

accent

#7649DE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #338BB0

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

Preview Lab → · Contrast checker → · Palette generator →