#307EBE#307EBE

#307EBE is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.124 H 247.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#307EBE
RGB	rgb(48, 126, 190)
HSL	hsl(207, 60%, 47%)
HSV	hsv(207, 75%, 75%)
CMYK	cmyk(74.7%, 33.7%, 0%, 25.5%)
CIE-LAB	lab(51.00, -1.80, -40.29)
CIE-LCH	lch(51.00, 40.33, 267.44°)
OKLab	oklab(57.59% -0.0484 -0.1144)
OKLCH	oklch(57.59% 0.124 247.1)
XYZ	xyz(17.9705, 19.2657, 51.4768)
Luminance	0.1927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EBE #BE7030

analogous

#30BEB7 #307EBE #3037BE

triadic

#307EBE #BE307E #7EBE30

tetradic

#307EBE #B730BE #BE7030 #37BE30

square

#307EBE #B730BE #BE7030 #37BE30

split-complementary

#307EBE #BE3037 #BEB730

monochromatic

#173D5C #245E8D #307EBE #579CD4 #88B9E1

Accessibility & contrast

On white

4.33

#307EBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#307EBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EBE

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EBE	#FFFFFF	#000000	##000000
##307EBE	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C1

Deuteranopia (green-blind)

#4C73BD

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #307ebe;
/* rgb */ color: rgb(48, 126, 190);
/* oklch */ color: oklch(57.6% 0.124 247.1);

Tailwind

colors: {
  custom: {
    50: '#7ba3d2',
    500: '#307ebe',
    950: '#000000',
  },
}

SCSS

$custom: #307ebe;
$custom-light: #7ba3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#307ebe",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 190
  },
  "hsl": {
    "h": 207.042,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57586,
    "c": 0.12422,
    "h": 247.1
  },
  "luminance": 0.19268
}

Semantic roles & 50–950 ramp

primary

#307EBE

secondary

#CBA17F

accent

#8C45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #307EBE

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

Preview Lab → · Contrast checker → · Palette generator →