#307AA7#307AA7

#307AA7 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.4% C 0.101 H 239.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#307AA7
RGB	rgb(48, 122, 167)
HSL	hsl(203, 55%, 42%)
HSV	hsv(203, 71%, 65%)
CMYK	cmyk(71.3%, 26.9%, 0%, 34.5%)
CIE-LAB	lab(48.68, -7.69, -30.64)
CIE-LCH	lch(48.68, 31.59, 255.91°)
OKLab	oklab(55.39% -0.0516 -0.0864)
OKLCH	oklch(55.39% 0.101 239.1)
XYZ	xyz(15.1508, 17.3358, 39.0994)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AA7 #A75D30

analogous

#30A799 #307AA7 #303FA7

triadic

#307AA7 #A7307A #7AA730

tetradic

#307AA7 #9930A7 #A75D30 #3FA730

square

#307AA7 #9930A7 #A75D30 #3FA730

split-complementary

#307AA7 #A7303F #A79930

monochromatic

#153548 #225777 #307AA7 #499ACB #79B4D8

Accessibility & contrast

On white

4.70

#307AA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#307AA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307AA7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AA7	#FFFFFF	#000000	##FFFFFF
##307AA7	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657AA9

Deuteranopia (green-blind)

#556FA6

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307aa7;
/* rgb */ color: rgb(48, 122, 167);
/* oklch */ color: oklch(55.4% 0.101 239.1);

Tailwind

colors: {
  custom: {
    50: '#77a0c1',
    500: '#307aa7',
    950: '#000000',
  },
}

SCSS

$custom: #307aa7;
$custom-light: #77a0c1;
$custom-dark: #000000;

JSON

{
  "hex": "#307aa7",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 167
  },
  "hsl": {
    "h": 202.689,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55391,
    "c": 0.10062,
    "h": 239.1
  },
  "luminance": 0.17337
}

Semantic roles & 50–950 ramp

primary

#307AA7

secondary

#C19072

accent

#8249DF

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307AA7

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

Preview Lab → · Contrast checker → · Palette generator →