#307DA4#307DA4

#307DA4 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.096 H 234.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307DA4
RGB	rgb(48, 125, 164)
HSL	hsl(200, 55%, 42%)
HSV	hsv(200, 71%, 64%)
CMYK	cmyk(70.7%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(49.46, -10.48, -27.67)
CIE-LCH	lch(49.46, 29.59, 249.26°)
OKLab	oklab(55.97% -0.0557 -0.0778)
OKLCH	oklch(55.97% 0.096 234.4)
XYZ	xyz(15.2507, 17.9743, 37.7804)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DA4 #A45730

analogous

#30A491 #307DA4 #3043A4

triadic

#307DA4 #A4307D #7DA430

tetradic

#307DA4 #9130A4 #A45730 #43A430

square

#307DA4 #9130A4 #A45730 #43A430

split-complementary

#307DA4 #A43043 #A49130

monochromatic

#143545 #225975 #307DA4 #489EC9 #77B7D7

Accessibility & contrast

On white

4.57

#307DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#307DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DA4

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DA4	#FFFFFF	#000000	##000000
##307DA4	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA6

Deuteranopia (green-blind)

#5A71A3

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307da4;
/* rgb */ color: rgb(48, 125, 164);
/* oklch */ color: oklch(56.0% 0.096 234.4);

Tailwind

colors: {
  custom: {
    50: '#77a2bf',
    500: '#307da4',
    950: '#000000',
  },
}

SCSS

$custom: #307da4;
$custom-light: #77a2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#307da4",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 200.172,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5597,
    "c": 0.0957,
    "h": 234.4
  },
  "luminance": 0.17976
}

Semantic roles & 50–950 ramp

primary

#307DA4

secondary

#BF8B70

accent

#7C4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307DA4

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

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