#318AB2#318AB2

#318AB2 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.8% C 0.102 H 231.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#318AB2
RGB	rgb(49, 138, 178)
HSL	hsl(199, 57%, 45%)
HSV	hsv(199, 72%, 70%)
CMYK	cmyk(72.5%, 22.5%, 0%, 30.2%)
CIE-LAB	lab(54.07, -12.85, -28.60)
CIE-LCH	lch(54.07, 31.35, 245.80°)
OKLab	oklab(59.85% -0.0634 -0.0803)
OKLCH	oklch(59.85% 0.102 231.7)
XYZ	xyz(18.3878, 22.0422, 45.3963)
Luminance	0.2204 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318AB2 #B25931

analogous

#31B29A #318AB2 #3149B2

triadic

#318AB2 #B2318A #8AB231

tetradic

#318AB2 #9A31B2 #B25931 #49B231

square

#318AB2 #9A31B2 #B25931 #49B231

split-complementary

#318AB2 #B23149 #B29A31

monochromatic

#174052 #246582 #318AB2 #51A8CF #81C0DC

Accessibility & contrast

On white

3.88

#318AB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#318AB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318AB2

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318AB2	#FFFFFF	#000000	##000000
##318AB2	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B4

Deuteranopia (green-blind)

#647CB1

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #318ab2;
/* rgb */ color: rgb(49, 138, 178);
/* oklch */ color: oklch(59.8% 0.102 231.7);

Tailwind

colors: {
  custom: {
    50: '#7aacc9',
    500: '#318ab2',
    950: '#000000',
  },
}

SCSS

$custom: #318ab2;
$custom-light: #7aacc9;
$custom-dark: #000000;

JSON

{
  "hex": "#318ab2",
  "rgb": {
    "r": 49,
    "g": 138,
    "b": 178
  },
  "hsl": {
    "h": 198.605,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.59848,
    "c": 0.10238,
    "h": 231.7
  },
  "luminance": 0.22044
}

Semantic roles & 50–950 ramp

primary

#318AB2

secondary

#C59179

accent

#7748E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318AB2

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

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