#307DBD#307DBD

#307DBD is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.124 H 247.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#307DBD
RGB	rgb(48, 125, 189)
HSL	hsl(207, 59%, 46%)
HSV	hsv(207, 75%, 74%)
CMYK	cmyk(74.6%, 33.9%, 0%, 25.9%)
CIE-LAB	lab(50.65, -1.57, -40.27)
CIE-LCH	lch(50.65, 40.30, 267.77°)
OKLab	oklab(57.3% -0.0477 -0.1144)
OKLCH	oklch(57.3% 0.124 247.4)
XYZ	xyz(17.7343, 18.9677, 50.8607)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DBD #BD7030

analogous

#30BDB7 #307DBD #3037BD

triadic

#307DBD #BD307D #7DBD30

tetradic

#307DBD #B730BD #BD7030 #37BD30

square

#307DBD #B730BD #BD7030 #37BD30

split-complementary

#307DBD #BD3037 #BDB730

monochromatic

#173C5B #245D8C #307DBD #569BD4 #87B8E0

Accessibility & contrast

On white

4.38

#307DBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#307DBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DBD

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DBD	#FFFFFF	#000000	##000000
##307DBD	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6080C0

Deuteranopia (green-blind)

#4C73BC

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #307dbd;
/* rgb */ color: rgb(48, 125, 189);
/* oklch */ color: oklch(57.3% 0.124 247.4);

Tailwind

colors: {
  custom: {
    50: '#7ba2d1',
    500: '#307dbd',
    950: '#000000',
  },
}

SCSS

$custom: #307dbd;
$custom-light: #7ba2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#307dbd",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 207.234,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57296,
    "c": 0.12391,
    "h": 247.4
  },
  "luminance": 0.1897
}

Semantic roles & 50–950 ramp

primary

#307DBD

secondary

#CAA17F

accent

#8D45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #307DBD

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

Preview Lab → · Contrast checker → · Palette generator →