#307AA9#307AA9

#307AA9 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.103 H 240.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#307AA9
RGB	rgb(48, 122, 169)
HSL	hsl(203, 56%, 43%)
HSV	hsv(203, 72%, 66%)
CMYK	cmyk(71.6%, 27.8%, 0%, 33.7%)
CIE-LAB	lab(48.77, -6.98, -31.66)
CIE-LCH	lch(48.77, 32.42, 257.56°)
OKLab	oklab(55.5% -0.0509 -0.0893)
OKLCH	oklch(55.5% 0.103 240.3)
XYZ	xyz(15.3371, 17.4103, 40.0806)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AA9 #A95F30

analogous

#30A99C #307AA9 #303DA9

triadic

#307AA9 #A9307A #7AA930

tetradic

#307AA9 #9C30A9 #A95F30 #3DA930

square

#307AA9 #9C30A9 #A95F30 #3DA930

split-complementary

#307AA9 #A9303D #A99C30

monochromatic

#15354A #225879 #307AA9 #4A9ACC #7AB4D9

Accessibility & contrast

On white

4.68

#307AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#307AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307AA9

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AA9	#FFFFFF	#000000	##FFFFFF
##307AA9	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647AAB

Deuteranopia (green-blind)

#546FA8

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307aa9;
/* rgb */ color: rgb(48, 122, 169);
/* oklch */ color: oklch(55.5% 0.103 240.3);

Tailwind

colors: {
  custom: {
    50: '#78a0c2',
    500: '#307aa9',
    950: '#000000',
  },
}

SCSS

$custom: #307aa9;
$custom-light: #78a0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#307aa9",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 169
  },
  "hsl": {
    "h": 203.306,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55495,
    "c": 0.10284,
    "h": 240.3
  },
  "luminance": 0.17412
}

Semantic roles & 50–950 ramp

primary

#307AA9

secondary

#C29273

accent

#8349DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307AA9

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

Preview Lab → · Contrast checker → · Palette generator →