#307FB2#307FB2

#307FB2 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.109 H 241.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#307FB2
RGB	rgb(48, 127, 178)
HSL	hsl(204, 58%, 44%)
HSV	hsv(204, 73%, 70%)
CMYK	cmyk(73%, 28.7%, 0%, 30.2%)
CIE-LAB	lab(50.71, -6.71, -33.84)
CIE-LCH	lch(50.71, 34.50, 258.78°)
OKLab	oklab(57.17% -0.053 -0.0956)
OKLCH	oklch(57.17% 0.109 241)
XYZ	xyz(16.8411, 19.0196, 44.8944)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FB2 #B26330

analogous

#30B2A4 #307FB2 #303EB2

triadic

#307FB2 #B2307F #7FB230

tetradic

#307FB2 #A430B2 #B26330 #3EB230

square

#307FB2 #A430B2 #B26330 #3EB230

split-complementary

#307FB2 #B2303E #B2A430

monochromatic

#163A52 #235D82 #307FB2 #509DD0 #80B8DD

Accessibility & contrast

On white

4.37

#307FB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#307FB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FB2

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FB2	#FFFFFF	#000000	##000000
##307FB2	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B4

Deuteranopia (green-blind)

#5673B1

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #307fb2;
/* rgb */ color: rgb(48, 127, 178);
/* oklch */ color: oklch(57.2% 0.109 241.0);

Tailwind

colors: {
  custom: {
    50: '#79a4c9',
    500: '#307fb2',
    950: '#000000',
  },
}

SCSS

$custom: #307fb2;
$custom-light: #79a4c9;
$custom-dark: #000000;

JSON

{
  "hex": "#307fb2",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 178
  },
  "hsl": {
    "h": 203.538,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57168,
    "c": 0.10932,
    "h": 241
  },
  "luminance": 0.19021
}

Semantic roles & 50–950 ramp

primary

#307FB2

secondary

#C69778

accent

#8347E1

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #307FB2

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

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