#307CAC#307CAC

#307CAC is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.105 H 240.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307CAC
RGB	rgb(48, 124, 172)
HSL	hsl(203, 56%, 43%)
HSV	hsv(203, 72%, 67%)
CMYK	cmyk(72.1%, 27.9%, 0%, 32.5%)
CIE-LAB	lab(49.52, -7.09, -32.23)
CIE-LCH	lch(49.52, 33.00, 257.59°)
OKLab	oklab(56.13% -0.052 -0.091)
OKLCH	oklch(56.13% 0.105 240.3)
XYZ	xyz(15.8701, 18.0205, 41.6636)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CAC #AC6030

analogous

#30AC9E #307CAC #303EAC

triadic

#307CAC #AC307C #7CAC30

tetradic

#307CAC #9E30AC #AC6030 #3EAC30

square

#307CAC #9E30AC #AC6030 #3EAC30

split-complementary

#307CAC #AC303E #AC9E30

monochromatic

#15374C #235A7C #307CAC #4C9BCD #7CB6DA

Accessibility & contrast

On white

4.56

#307CAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#307CAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CAC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CAC	#FFFFFF	#000000	##000000
##307CAC	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667CAE

Deuteranopia (green-blind)

#5570AB

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307cac;
/* rgb */ color: rgb(48, 124, 172);
/* oklch */ color: oklch(56.1% 0.105 240.3);

Tailwind

colors: {
  custom: {
    50: '#78a1c5',
    500: '#307cac',
    950: '#000000',
  },
}

SCSS

$custom: #307cac;
$custom-light: #78a1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#307cac",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 172
  },
  "hsl": {
    "h": 203.226,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56134,
    "c": 0.10477,
    "h": 240.3
  },
  "luminance": 0.18022
}

Semantic roles & 50–950 ramp

primary

#307CAC

secondary

#C39375

accent

#8348E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #307CAC

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

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