#307EA6#307EA6

#307EA6 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.097 H 234.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#307EA6
RGB	rgb(48, 126, 166)
HSL	hsl(200, 55%, 42%)
HSV	hsv(200, 71%, 65%)
CMYK	cmyk(71.1%, 24.1%, 0%, 34.9%)
CIE-LAB	lab(49.86, -10.36, -28.22)
CIE-LCH	lch(49.86, 30.06, 249.85°)
OKLab	oklab(56.31% -0.0561 -0.0793)
OKLCH	oklch(56.31% 0.097 234.8)
XYZ	xyz(15.5600, 18.3015, 38.7815)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EA6 #A65830

analogous

#30A693 #307EA6 #3043A6

triadic

#307EA6 #A6307E #7EA630

tetradic

#307EA6 #9330A6 #A65830 #43A630

square

#307EA6 #9330A6 #A65830 #43A630

split-complementary

#307EA6 #A63043 #A69330

monochromatic

#153647 #225A77 #307EA6 #499ECA #78B8D8

Accessibility & contrast

On white

4.51

#307EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#307EA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA6

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EA6	#FFFFFF	#000000	##000000
##307EA6	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7DA8

Deuteranopia (green-blind)

#5B71A5

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307ea6;
/* rgb */ color: rgb(48, 126, 166);
/* oklch */ color: oklch(56.3% 0.097 234.8);

Tailwind

colors: {
  custom: {
    50: '#77a3c0',
    500: '#307ea6',
    950: '#000000',
  },
}

SCSS

$custom: #307ea6;
$custom-light: #77a3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307ea6",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 166
  },
  "hsl": {
    "h": 200.339,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56313,
    "c": 0.09716,
    "h": 234.8
  },
  "luminance": 0.18303
}

Semantic roles & 50–950 ramp

primary

#307EA6

secondary

#C08C71

accent

#7C49DE

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307EA6

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

Preview Lab → · Contrast checker → · Palette generator →