#307EA9#307EA9

#307EA9 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.100 H 236.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#307EA9
RGB	rgb(48, 126, 169)
HSL	hsl(201, 56%, 43%)
HSV	hsv(201, 72%, 66%)
CMYK	cmyk(71.6%, 25.4%, 0%, 33.7%)
CIE-LAB	lab(49.99, -9.31, -29.75)
CIE-LCH	lch(49.99, 31.18, 252.63°)
OKLab	oklab(56.46% -0.055 -0.0838)
OKLCH	oklch(56.46% 0.1 236.7)
XYZ	xyz(15.8384, 18.4129, 40.2477)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EA9 #A95B30

analogous

#30A997 #307EA9 #3042A9

triadic

#307EA9 #A9307E #7EA930

tetradic

#307EA9 #9730A9 #A95B30 #42A930

square

#307EA9 #9730A9 #A95B30 #42A930

split-complementary

#307EA9 #A93042 #A99730

monochromatic

#15374A #225A79 #307EA9 #4A9ECC #7AB7D9

Accessibility & contrast

On white

4.48

#307EA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#307EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA9

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EA9	#FFFFFF	#000000	##000000
##307EA9	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DAB

Deuteranopia (green-blind)

#5972A8

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307ea9;
/* rgb */ color: rgb(48, 126, 169);
/* oklch */ color: oklch(56.5% 0.100 236.7);

Tailwind

colors: {
  custom: {
    50: '#78a3c2',
    500: '#307ea9',
    950: '#000000',
  },
}

SCSS

$custom: #307ea9;
$custom-light: #78a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#307ea9",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 169
  },
  "hsl": {
    "h": 201.322,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56463,
    "c": 0.10023,
    "h": 236.7
  },
  "luminance": 0.18415
}

Semantic roles & 50–950 ramp

primary

#307EA9

secondary

#C28F73

accent

#7E49DF

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307EA9

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

Preview Lab → · Contrast checker → · Palette generator →