#307BAE#307BAE

#307BAE is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.108 H 242.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307BAE
RGB	rgb(48, 123, 174)
HSL	hsl(204, 57%, 44%)
HSV	hsv(204, 72%, 68%)
CMYK	cmyk(72.4%, 29.3%, 0%, 31.8%)
CIE-LAB	lab(49.31, -5.79, -33.72)
CIE-LCH	lch(49.31, 34.21, 260.25°)
OKLab	oklab(56% -0.0503 -0.0953)
OKLCH	oklch(56% 0.108 242.2)
XYZ	xyz(15.9389, 17.8485, 42.6413)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307BAE #AE6330

analogous

#30AEA2 #307BAE #303CAE

triadic

#307BAE #AE307B #7BAE30

tetradic

#307BAE #A230AE #AE6330 #3CAE30

square

#307BAE #A230AE #AE6330 #3CAE30

split-complementary

#307BAE #AE303C #AEA230

monochromatic

#16374E #23597E #307BAE #4D9ACE #7DB5DB

Accessibility & contrast

On white

4.60

#307BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#307BAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307BAE

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307BAE	#FFFFFF	#000000	##FFFFFF
##307BAE	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CB0

Deuteranopia (green-blind)

#5270AD

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307bae;
/* rgb */ color: rgb(48, 123, 174);
/* oklch */ color: oklch(56.0% 0.108 242.2);

Tailwind

colors: {
  custom: {
    50: '#79a1c6',
    500: '#307bae',
    950: '#000000',
  },
}

SCSS

$custom: #307bae;
$custom-light: #79a1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#307bae",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 174
  },
  "hsl": {
    "h": 204.286,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55999,
    "c": 0.10777,
    "h": 242.2
  },
  "luminance": 0.1785
}

Semantic roles & 50–950 ramp

primary

#307BAE

secondary

#C49576

accent

#8548E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #307BAE

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

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