#307EA7#307EA7

#307EA7 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.098 H 235.4°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#307EA7
RGB	rgb(48, 126, 167)
HSL	hsl(201, 55%, 42%)
HSV	hsv(201, 71%, 65%)
CMYK	cmyk(71.3%, 24.6%, 0%, 34.5%)
CIE-LAB	lab(49.90, -10.01, -28.73)
CIE-LCH	lch(49.90, 30.42, 250.80°)
OKLab	oklab(56.36% -0.0557 -0.0808)
OKLCH	oklch(56.36% 0.098 235.4)
XYZ	xyz(15.6521, 18.3384, 39.2665)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EA7 #A75930

analogous

#30A795 #307EA7 #3043A7

triadic

#307EA7 #A7307E #7EA730

tetradic

#307EA7 #9530A7 #A75930 #43A730

square

#307EA7 #9530A7 #A75930 #43A730

split-complementary

#307EA7 #A73043 #A79530

monochromatic

#153648 #225A77 #307EA7 #499ECB #79B8D8

Accessibility & contrast

On white

4.50

#307EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#307EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA7

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EA7	#FFFFFF	#000000	##000000
##307EA7	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DA9

Deuteranopia (green-blind)

#5A72A6

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307ea7;
/* rgb */ color: rgb(48, 126, 167);
/* oklch */ color: oklch(56.4% 0.098 235.4);

Tailwind

colors: {
  custom: {
    50: '#77a3c1',
    500: '#307ea7',
    950: '#000000',
  },
}

SCSS

$custom: #307ea7;
$custom-light: #77a3c1;
$custom-dark: #000000;

JSON

{
  "hex": "#307ea7",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 167
  },
  "hsl": {
    "h": 200.672,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.56363,
    "c": 0.09817,
    "h": 235.4
  },
  "luminance": 0.1834
}

Semantic roles & 50–950 ramp

primary

#307EA7

secondary

#C18D72

accent

#7D49DF

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307EA7

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

Preview Lab → · Contrast checker → · Palette generator →