#307ABB#307ABB

#307ABB is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.5% C 0.124 H 248.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#307ABB
RGB	rgb(48, 122, 187)
HSL	hsl(208, 59%, 46%)
HSV	hsv(208, 74%, 73%)
CMYK	cmyk(74.3%, 34.8%, 0%, 26.7%)
CIE-LAB	lab(49.66, -0.50, -40.69)
CIE-LCH	lch(49.66, 40.69, 269.30°)
OKLab	oklab(56.48% -0.0454 -0.1156)
OKLCH	oklch(56.48% 0.124 248.5)
XYZ	xyz(17.1447, 18.1333, 49.6006)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307ABB #BB7130

analogous

#30BBB6 #307ABB #3034BB

triadic

#307ABB #BB307A #7ABB30

tetradic

#307ABB #B630BB #BB7130 #34BB30

square

#307ABB #B630BB #BB7130 #34BB30

split-complementary

#307ABB #BB3034 #BBB630

monochromatic

#173A5A #235A8A #307ABB #5598D3 #86B6E0

Accessibility & contrast

On white

4.54

#307ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#307ABB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307ABB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307ABB	#FFFFFF	#000000	##000000
##307ABB	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7DBE

Deuteranopia (green-blind)

#4870BA

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307abb;
/* rgb */ color: rgb(48, 122, 187);
/* oklch */ color: oklch(56.5% 0.124 248.5);

Tailwind

colors: {
  custom: {
    50: '#7ba0d0',
    500: '#307abb',
    950: '#000000',
  },
}

SCSS

$custom: #307abb;
$custom-light: #7ba0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#307abb",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 187
  },
  "hsl": {
    "h": 208.058,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56483,
    "c": 0.12424,
    "h": 248.5
  },
  "luminance": 0.18135
}

Semantic roles & 50–950 ramp

primary

#307ABB

secondary

#C9A17D

accent

#8F45E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #307ABB

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

Preview Lab → · Contrast checker → · Palette generator →