#307AA6#307AA6

#307AA6 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.3% C 0.100 H 238.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#307AA6
RGB	rgb(48, 122, 166)
HSL	hsl(202, 55%, 42%)
HSV	hsv(202, 71%, 65%)
CMYK	cmyk(71.1%, 26.5%, 0%, 34.9%)
CIE-LAB	lab(48.63, -8.04, -30.13)
CIE-LCH	lch(48.63, 31.18, 255.05°)
OKLab	oklab(55.34% -0.0519 -0.0849)
OKLCH	oklch(55.34% 0.1 238.5)
XYZ	xyz(15.0587, 17.2990, 38.6144)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AA6 #A65C30

analogous

#30A697 #307AA6 #303FA6

triadic

#307AA6 #A6307A #7AA630

tetradic

#307AA6 #9730A6 #A65C30 #3FA630

square

#307AA6 #9730A6 #A65C30 #3FA630

split-complementary

#307AA6 #A6303F #A69730

monochromatic

#153447 #225777 #307AA6 #499ACA #78B4D8

Accessibility & contrast

On white

4.71

#307AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#307AA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307AA6

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AA6	#FFFFFF	#000000	##FFFFFF
##307AA6	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657AA8

Deuteranopia (green-blind)

#556EA5

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307aa6;
/* rgb */ color: rgb(48, 122, 166);
/* oklch */ color: oklch(55.3% 0.100 238.5);

Tailwind

colors: {
  custom: {
    50: '#77a0c0',
    500: '#307aa6',
    950: '#000000',
  },
}

SCSS

$custom: #307aa6;
$custom-light: #77a0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307aa6",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 166
  },
  "hsl": {
    "h": 202.373,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5534,
    "c": 0.09953,
    "h": 238.5
  },
  "luminance": 0.17301
}

Semantic roles & 50–950 ramp

primary

#307AA6

secondary

#C08F71

accent

#8149DE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307AA6

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

Preview Lab → · Contrast checker → · Palette generator →