#307EB6#307EB6

#307EB6 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.115 H 243.7°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#307EB6
RGB	rgb(48, 126, 182)
HSL	hsl(205, 58%, 45%)
HSV	hsv(205, 74%, 71%)
CMYK	cmyk(73.6%, 30.8%, 0%, 28.6%)
CIE-LAB	lab(50.60, -4.69, -36.32)
CIE-LCH	lch(50.60, 36.62, 262.64°)
OKLab	oklab(57.14% -0.0507 -0.1028)
OKLCH	oklch(57.14% 0.115 243.7)
XYZ	xyz(17.1200, 18.9255, 46.9976)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EB6 #B66830

analogous

#30B6AB #307EB6 #303BB6

triadic

#307EB6 #B6307E #7EB630

tetradic

#307EB6 #AB30B6 #B66830 #3BB630

square

#307EB6 #AB30B6 #B66830 #3BB630

split-complementary

#307EB6 #B6303B #B6AB30

monochromatic

#163B55 #235C86 #307EB6 #529CD1 #82B8DE

Accessibility & contrast

On white

4.39

#307EB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#307EB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EB6

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EB6	#FFFFFF	#000000	##000000
##307EB6	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FB8

Deuteranopia (green-blind)

#5273B5

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307eb6;
/* rgb */ color: rgb(48, 126, 182);
/* oklch */ color: oklch(57.1% 0.115 243.7);

Tailwind

colors: {
  custom: {
    50: '#7aa3cc',
    500: '#307eb6',
    950: '#000000',
  },
}

SCSS

$custom: #307eb6;
$custom-light: #7aa3cc;
$custom-dark: #000000;

JSON

{
  "hex": "#307eb6",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 182
  },
  "hsl": {
    "h": 205.075,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57144,
    "c": 0.11468,
    "h": 243.7
  },
  "luminance": 0.18927
}

Semantic roles & 50–950 ramp

primary

#307EB6

secondary

#C79B7B

accent

#8746E1

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #307EB6

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

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