#307FB6#307FB6

#307FB6 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.114 H 243.0°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#307FB6
RGB	rgb(48, 127, 182)
HSL	hsl(205, 58%, 45%)
HSV	hsv(205, 74%, 71%)
CMYK	cmyk(73.6%, 30.2%, 0%, 28.6%)
CIE-LAB	lab(50.90, -5.28, -35.85)
CIE-LCH	lch(50.90, 36.24, 261.62°)
OKLab	oklab(57.38% -0.0517 -0.1014)
OKLCH	oklch(57.38% 0.114 243)
XYZ	xyz(17.2485, 19.1826, 47.0405)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FB6 #B66730

analogous

#30B6AA #307FB6 #303CB6

triadic

#307FB6 #B6307F #7FB630

tetradic

#307FB6 #AA30B6 #B66730 #3CB630

square

#307FB6 #AA30B6 #B66730 #3CB630

split-complementary

#307FB6 #B6303C #B6AA30

monochromatic

#163B55 #235D86 #307FB6 #529DD1 #82B8DE

Accessibility & contrast

On white

4.34

#307FB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#307FB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FB6

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FB6	#FFFFFF	#000000	##000000
##307FB6	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6680B8

Deuteranopia (green-blind)

#5374B5

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #307fb6;
/* rgb */ color: rgb(48, 127, 182);
/* oklch */ color: oklch(57.4% 0.114 243.0);

Tailwind

colors: {
  custom: {
    50: '#7aa3cc',
    500: '#307fb6',
    950: '#000000',
  },
}

SCSS

$custom: #307fb6;
$custom-light: #7aa3cc;
$custom-dark: #000000;

JSON

{
  "hex": "#307fb6",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 182
  },
  "hsl": {
    "h": 204.627,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57381,
    "c": 0.11387,
    "h": 243
  },
  "luminance": 0.19185
}

Semantic roles & 50–950 ramp

primary

#307FB6

secondary

#C79A7B

accent

#8646E1

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #307FB6

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

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