#307DBF#307DBF

#307DBF is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.4% C 0.126 H 248.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#307DBF
RGB	rgb(48, 125, 191)
HSL	hsl(208, 60%, 47%)
HSV	hsv(208, 75%, 75%)
CMYK	cmyk(74.9%, 34.6%, 0%, 25.1%)
CIE-LAB	lab(50.75, -0.84, -41.25)
CIE-LCH	lch(50.75, 41.26, 268.83°)
OKLab	oklab(57.41% -0.0471 -0.1172)
OKLCH	oklch(57.41% 0.126 248.1)
XYZ	xyz(17.9529, 19.0551, 52.0119)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DBF #BF7230

analogous

#30BFBA #307DBF #3036BF

triadic

#307DBF #BF307D #7DBF30

tetradic

#307DBF #BA30BF #BF7230 #36BF30

square

#307DBF #BA30BF #BF7230 #36BF30

split-complementary

#307DBF #BF3036 #BFBA30

monochromatic

#173D5D #245D8E #307DBF #579BD5 #88B8E1

Accessibility & contrast

On white

4.36

#307DBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#307DBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DBF

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DBF	#FFFFFF	#000000	##000000
##307DBF	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F80C2

Deuteranopia (green-blind)

#4A73BE

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #307dbf;
/* rgb */ color: rgb(48, 125, 191);
/* oklch */ color: oklch(57.4% 0.126 248.1);

Tailwind

colors: {
  custom: {
    50: '#7ca2d2',
    500: '#307dbf',
    950: '#000000',
  },
}

SCSS

$custom: #307dbf;
$custom-light: #7ca2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#307dbf",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 191
  },
  "hsl": {
    "h": 207.692,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5741,
    "c": 0.12636,
    "h": 248.1
  },
  "luminance": 0.19057
}

Semantic roles & 50–950 ramp

primary

#307DBF

secondary

#CBA380

accent

#8E45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #307DBF

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

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