#318DB4#318DB4

#318DB4 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.7% C 0.103 H 230.3°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#318DB4
RGB	rgb(49, 141, 180)
HSL	hsl(198, 57%, 45%)
HSV	hsv(198, 73%, 71%)
CMYK	cmyk(72.8%, 21.7%, 0%, 29.4%)
CIE-LAB	lab(55.07, -13.84, -28.20)
CIE-LCH	lch(55.07, 31.41, 243.86°)
OKLab	oklab(60.67% -0.0657 -0.0792)
OKLCH	oklch(60.67% 0.103 230.3)
XYZ	xyz(19.0264, 22.9958, 46.6071)
Luminance	0.2300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318DB4 #B45831

analogous

#31B49A #318DB4 #314BB4

triadic

#318DB4 #B4318D #8DB431

tetradic

#318DB4 #9A31B4 #B45831 #4BB431

square

#318DB4 #9A31B4 #B45831 #4BB431

split-complementary

#318DB4 #B4314B #B49A31

monochromatic

#174254 #246784 #318DB4 #52ABD0 #82C2DD

Accessibility & contrast

On white

3.75

#318DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#318DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318DB4

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318DB4	#FFFFFF	#000000	##000000
##318DB4	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB6

Deuteranopia (green-blind)

#677EB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #318db4;
/* rgb */ color: rgb(49, 141, 180);
/* oklch */ color: oklch(60.7% 0.103 230.3);

Tailwind

colors: {
  custom: {
    50: '#7baeca',
    500: '#318db4',
    950: '#000000',
  },
}

SCSS

$custom: #318db4;
$custom-light: #7baeca;
$custom-dark: #000000;

JSON

{
  "hex": "#318db4",
  "rgb": {
    "r": 49,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 197.863,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.60671,
    "c": 0.1029,
    "h": 230.3
  },
  "luminance": 0.22998
}

Semantic roles & 50–950 ramp

primary

#318DB4

secondary

#C6917B

accent

#7547E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318DB4

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

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