#307CBA#307CBA

#307CBA is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.121 H 246.9°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#307CBA
RGB	rgb(48, 124, 186)
HSL	hsl(207, 59%, 46%)
HSV	hsv(207, 74%, 73%)
CMYK	cmyk(74.2%, 33.3%, 0%, 27.1%)
CIE-LAB	lab(50.20, -2.06, -39.25)
CIE-LCH	lch(50.20, 39.31, 266.99°)
OKLab	oklab(56.89% -0.0476 -0.1114)
OKLCH	oklch(56.89% 0.121 246.9)
XYZ	xyz(17.2861, 18.5869, 49.1214)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CBA #BA6E30

analogous

#30BAB3 #307CBA #3037BA

triadic

#307CBA #BA307C #7CBA30

tetradic

#307CBA #B330BA #BA6E30 #37BA30

square

#307CBA #B330BA #BA6E30 #37BA30

split-complementary

#307CBA #BA3037 #BAB330

monochromatic

#173B59 #235C89 #307CBA #549AD3 #85B7DF

Accessibility & contrast

On white

4.45

#307CBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#307CBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CBA

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CBA	#FFFFFF	#000000	##000000
##307CBA	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607FBD

Deuteranopia (green-blind)

#4C72B9

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307cba;
/* rgb */ color: rgb(48, 124, 186);
/* oklch */ color: oklch(56.9% 0.121 246.9);

Tailwind

colors: {
  custom: {
    50: '#7ba1cf',
    500: '#307cba',
    950: '#000000',
  },
}

SCSS

$custom: #307cba;
$custom-light: #7ba1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#307cba",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 186
  },
  "hsl": {
    "h": 206.957,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56893,
    "c": 0.12116,
    "h": 246.9
  },
  "luminance": 0.18589
}

Semantic roles & 50–950 ramp

primary

#307CBA

secondary

#C99F7D

accent

#8C46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #307CBA

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

Preview Lab → · Contrast checker → · Palette generator →