#338EB5#338EB5

#338EB5 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.0% C 0.103 H 230.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#338EB5
RGB	rgb(51, 142, 181)
HSL	hsl(198, 56%, 45%)
HSV	hsv(198, 72%, 71%)
CMYK	cmyk(71.8%, 21.5%, 0%, 29%)
CIE-LAB	lab(55.47, -13.77, -28.15)
CIE-LCH	lch(55.47, 31.34, 243.92°)
OKLab	oklab(61.02% -0.0653 -0.079)
OKLCH	oklch(61.02% 0.103 230.4)
XYZ	xyz(19.3754, 23.3838, 47.1995)
Luminance	0.2339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338EB5 #B55A33

analogous

#33B59B #338EB5 #334DB5

triadic

#338EB5 #B5338E #8EB533

tetradic

#338EB5 #9B33B5 #B55A33 #4DB533

square

#338EB5 #9B33B5 #B55A33 #4DB533

split-complementary

#338EB5 #B5334D #B59B33

monochromatic

#184356 #266985 #338EB5 #56ABCF #86C3DD

Accessibility & contrast

On white

3.70

#338EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#338EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338EB5

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338EB5	#FFFFFF	#000000	##000000
##338EB5	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB7

Deuteranopia (green-blind)

#687FB4

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #338eb5;
/* rgb */ color: rgb(51, 142, 181);
/* oklch */ color: oklch(61.0% 0.103 230.4);

Tailwind

colors: {
  custom: {
    50: '#7cafcb',
    500: '#338eb5',
    950: '#000000',
  },
}

SCSS

$custom: #338eb5;
$custom-light: #7cafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#338eb5",
  "rgb": {
    "r": 51,
    "g": 142,
    "b": 181
  },
  "hsl": {
    "h": 198,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.61017,
    "c": 0.10253,
    "h": 230.4
  },
  "luminance": 0.23386
}

Semantic roles & 50–950 ramp

primary

#338EB5

secondary

#C6937D

accent

#7648DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338EB5

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

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