#338FB3#338FB3

#338FB3 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.100 H 228.1°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#338FB3
RGB	rgb(51, 143, 179)
HSL	hsl(197, 56%, 45%)
HSV	hsv(197, 72%, 70%)
CMYK	cmyk(71.5%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(55.69, -15.00, -26.67)
CIE-LCH	lch(55.69, 30.60, 240.64°)
OKLab	oklab(61.17% -0.0671 -0.0747)
OKLCH	oklch(61.17% 0.1 228.1)
XYZ	xyz(19.3211, 23.6012, 46.1763)
Luminance	0.2360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338FB3 #B35733

analogous

#33B397 #338FB3 #334FB3

triadic

#338FB3 #B3338F #8FB333

tetradic

#338FB3 #9733B3 #B35733 #4FB333

square

#338FB3 #9733B3 #B35733 #4FB333

split-complementary

#338FB3 #B3334F #B39733

monochromatic

#184354 #256983 #338FB3 #55ACCE #84C3DC

Accessibility & contrast

On white

3.67

#338FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#338FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338FB3

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338FB3	#FFFFFF	#000000	##000000
##338FB3	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB5

Deuteranopia (green-blind)

#6B80B3

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #338fb3;
/* rgb */ color: rgb(51, 143, 179);
/* oklch */ color: oklch(61.2% 0.100 228.1);

Tailwind

colors: {
  custom: {
    50: '#7bafca',
    500: '#338fb3',
    950: '#000000',
  },
}

SCSS

$custom: #338fb3;
$custom-light: #7bafca;
$custom-dark: #000000;

JSON

{
  "hex": "#338fb3",
  "rgb": {
    "r": 51,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 196.875,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61166,
    "c": 0.10044,
    "h": 228.1
  },
  "luminance": 0.23603
}

Semantic roles & 50–950 ramp

primary

#338FB3

secondary

#C6917C

accent

#7349DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338FB3

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

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