#307FAC#307FAC

#307FAC is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.9% C 0.103 H 237.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#307FAC
RGB	rgb(48, 127, 172)
HSL	hsl(202, 56%, 43%)
HSV	hsv(202, 72%, 67%)
CMYK	cmyk(72.1%, 26.2%, 0%, 32.5%)
CIE-LAB	lab(50.43, -8.83, -30.81)
CIE-LCH	lch(50.43, 32.05, 254.00°)
OKLab	oklab(56.86% -0.055 -0.0868)
OKLCH	oklch(56.86% 0.103 237.7)
XYZ	xyz(16.2518, 18.7838, 41.7909)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FAC #AC5D30

analogous

#30AC9B #307FAC #3041AC

triadic

#307FAC #AC307F #7FAC30

tetradic

#307FAC #9B30AC #AC5D30 #41AC30

square

#307FAC #9B30AC #AC5D30 #41AC30

split-complementary

#307FAC #AC3041 #AC9B30

monochromatic

#15384C #235C7C #307FAC #4C9ECD #7CB8DA

Accessibility & contrast

On white

4.41

#307FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#307FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FAC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FAC	#FFFFFF	#000000	##000000
##307FAC	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FAE

Deuteranopia (green-blind)

#5973AB

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307fac;
/* rgb */ color: rgb(48, 127, 172);
/* oklch */ color: oklch(56.9% 0.103 237.7);

Tailwind

colors: {
  custom: {
    50: '#78a4c5',
    500: '#307fac',
    950: '#000000',
  },
}

SCSS

$custom: #307fac;
$custom-light: #78a4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#307fac",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 172
  },
  "hsl": {
    "h": 201.774,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56857,
    "c": 0.10277,
    "h": 237.7
  },
  "luminance": 0.18786
}

Semantic roles & 50–950 ramp

primary

#307FAC

secondary

#C39175

accent

#7F48E0

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #307FAC

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

Preview Lab → · Contrast checker → · Palette generator →