#307AA5#307AA5

#307AA5 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.3% C 0.098 H 237.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#307AA5
RGB	rgb(48, 122, 165)
HSL	hsl(202, 55%, 42%)
HSV	hsv(202, 71%, 65%)
CMYK	cmyk(70.9%, 26.1%, 0%, 35.3%)
CIE-LAB	lab(48.59, -8.40, -29.62)
CIE-LCH	lch(48.59, 30.78, 254.17°)
OKLab	oklab(55.29% -0.0523 -0.0834)
OKLCH	oklch(55.29% 0.098 237.9)
XYZ	xyz(14.9673, 17.2624, 38.1332)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AA5 #A55B30

analogous

#30A596 #307AA5 #3040A5

triadic

#307AA5 #A5307A #7AA530

tetradic

#307AA5 #9630A5 #A55B30 #40A530

square

#307AA5 #9630A5 #A55B30 #40A530

split-complementary

#307AA5 #A53040 #A59630

monochromatic

#143446 #225776 #307AA5 #489ACA #78B4D8

Accessibility & contrast

On white

4.72

#307AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#307AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307AA5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AA5	#FFFFFF	#000000	##FFFFFF
##307AA5	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA7

Deuteranopia (green-blind)

#566EA4

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307aa5;
/* rgb */ color: rgb(48, 122, 165);
/* oklch */ color: oklch(55.3% 0.098 237.9);

Tailwind

colors: {
  custom: {
    50: '#77a0c0',
    500: '#307aa5',
    950: '#000000',
  },
}

SCSS

$custom: #307aa5;
$custom-light: #77a0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307aa5",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 165
  },
  "hsl": {
    "h": 202.051,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55288,
    "c": 0.09845,
    "h": 237.9
  },
  "luminance": 0.17264
}

Semantic roles & 50–950 ramp

primary

#307AA5

secondary

#C08E71

accent

#804ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307AA5

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

Preview Lab → · Contrast checker → · Palette generator →