#307EA4#307EA4

#307EA4 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.095 H 233.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#307EA4
RGB	rgb(48, 126, 164)
HSL	hsl(200, 55%, 42%)
HSV	hsv(200, 71%, 64%)
CMYK	cmyk(70.7%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(49.77, -11.05, -27.19)
CIE-LCH	lch(49.77, 29.35, 247.89°)
OKLab	oklab(56.22% -0.0568 -0.0764)
OKLCH	oklch(56.22% 0.095 233.4)
XYZ	xyz(15.3780, 18.2287, 37.8228)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EA4 #A45630

analogous

#30A490 #307EA4 #3044A4

triadic

#307EA4 #A4307E #7EA430

tetradic

#307EA4 #9030A4 #A45630 #44A430

square

#307EA4 #9030A4 #A45630 #44A430

split-complementary

#307EA4 #A43044 #A49030

monochromatic

#143545 #225A75 #307EA4 #489FC9 #77B8D7

Accessibility & contrast

On white

4.52

#307EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#307EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA4

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EA4	#FFFFFF	#000000	##000000
##307EA4	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7DA6

Deuteranopia (green-blind)

#5B71A3

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307ea4;
/* rgb */ color: rgb(48, 126, 164);
/* oklch */ color: oklch(56.2% 0.095 233.4);

Tailwind

colors: {
  custom: {
    50: '#77a3bf',
    500: '#307ea4',
    950: '#000000',
  },
}

SCSS

$custom: #307ea4;
$custom-light: #77a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#307ea4",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 199.655,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56215,
    "c": 0.09519,
    "h": 233.4
  },
  "luminance": 0.1823
}

Semantic roles & 50–950 ramp

primary

#307EA4

secondary

#BF8A70

accent

#7A4ADE

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307EA4

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

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