#318BB2#318BB2

#318BB2 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.1% C 0.102 H 230.8°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#318BB2
RGB	rgb(49, 139, 178)
HSL	hsl(198, 57%, 45%)
HSV	hsv(198, 72%, 70%)
CMYK	cmyk(72.5%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(54.38, -13.41, -28.13)
CIE-LCH	lch(54.38, 31.16, 244.51°)
OKLab	oklab(60.09% -0.0644 -0.079)
OKLCH	oklch(60.09% 0.102 230.8)
XYZ	xyz(18.5319, 22.3304, 45.4444)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318BB2 #B25831

analogous

#31B299 #318BB2 #314AB2

triadic

#318BB2 #B2318B #8BB231

tetradic

#318BB2 #9931B2 #B25831 #4AB231

square

#318BB2 #9931B2 #B25831 #4AB231

split-complementary

#318BB2 #B2314A #B29931

monochromatic

#174052 #246682 #318BB2 #51A9CF #81C1DC

Accessibility & contrast

On white

3.84

#318BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#318BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318BB2

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318BB2	#FFFFFF	#000000	##000000
##318BB2	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B4

Deuteranopia (green-blind)

#667DB1

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #318bb2;
/* rgb */ color: rgb(49, 139, 178);
/* oklch */ color: oklch(60.1% 0.102 230.8);

Tailwind

colors: {
  custom: {
    50: '#7aacc9',
    500: '#318bb2',
    950: '#000000',
  },
}

SCSS

$custom: #318bb2;
$custom-light: #7aacc9;
$custom-dark: #000000;

JSON

{
  "hex": "#318bb2",
  "rgb": {
    "r": 49,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 198.14,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.6009,
    "c": 0.10194,
    "h": 230.8
  },
  "luminance": 0.22333
}

Semantic roles & 50–950 ramp

primary

#318BB2

secondary

#C59079

accent

#7648E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318BB2

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

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