#307AA8#307AA8

#307AA8 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.4% C 0.102 H 239.7°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#307AA8
RGB	rgb(48, 122, 168)
HSL	hsl(203, 56%, 42%)
HSV	hsv(203, 71%, 66%)
CMYK	cmyk(71.4%, 27.4%, 0%, 34.1%)
CIE-LAB	lab(48.73, -7.34, -31.15)
CIE-LCH	lch(48.73, 32.00, 256.75°)
OKLab	oklab(55.44% -0.0513 -0.0879)
OKLCH	oklch(55.44% 0.102 239.7)
XYZ	xyz(15.2436, 17.3729, 39.5881)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AA8 #A85E30

analogous

#30A89A #307AA8 #303EA8

triadic

#307AA8 #A8307A #7AA830

tetradic

#307AA8 #9A30A8 #A85E30 #3EA830

square

#307AA8 #9A30A8 #A85E30 #3EA830

split-complementary

#307AA8 #A8303E #A89A30

monochromatic

#153549 #225778 #307AA8 #4A9ACB #7AB4D9

Accessibility & contrast

On white

4.69

#307AA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#307AA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307AA8

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AA8	#FFFFFF	#000000	##FFFFFF
##307AA8	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657AAA

Deuteranopia (green-blind)

#546FA7

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307aa8;
/* rgb */ color: rgb(48, 122, 168);
/* oklch */ color: oklch(55.4% 0.102 239.7);

Tailwind

colors: {
  custom: {
    50: '#77a0c2',
    500: '#307aa8',
    950: '#000000',
  },
}

SCSS

$custom: #307aa8;
$custom-light: #77a0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#307aa8",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 168
  },
  "hsl": {
    "h": 203,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.55443,
    "c": 0.10173,
    "h": 239.7
  },
  "luminance": 0.17375
}

Semantic roles & 50–950 ramp

primary

#307AA8

secondary

#C19173

accent

#8249DF

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307AA8

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

Preview Lab → · Contrast checker → · Palette generator →