#307DAD#307DAD

#307DAD is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.105 H 240.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#307DAD
RGB	rgb(48, 125, 173)
HSL	hsl(203, 57%, 43%)
HSV	hsv(203, 72%, 68%)
CMYK	cmyk(72.3%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(49.87, -7.32, -32.26)
CIE-LCH	lch(49.87, 33.08, 257.22°)
OKLab	oklab(56.43% -0.0526 -0.0911)
OKLCH	oklch(56.43% 0.105 240)
XYZ	xyz(16.0924, 18.3109, 42.2133)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DAD #AD6030

analogous

#30AD9E #307DAD #303EAD

triadic

#307DAD #AD307D #7DAD30

tetradic

#307DAD #9E30AD #AD6030 #3EAD30

square

#307DAD #9E30AD #AD6030 #3EAD30

split-complementary

#307DAD #AD303E #AD9E30

monochromatic

#15384D #235A7D #307DAD #4D9CCE #7DB7DB

Accessibility & contrast

On white

4.50

#307DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#307DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DAD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DAD	#FFFFFF	#000000	##000000
##307DAD	1.00	4.50	4.66	4.66
#FFFFFF	4.50	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)

#677DAF

Deuteranopia (green-blind)

#5671AC

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307dad;
/* rgb */ color: rgb(48, 125, 173);
/* oklch */ color: oklch(56.4% 0.105 240.0);

Tailwind

colors: {
  custom: {
    50: '#78a2c5',
    500: '#307dad',
    950: '#000000',
  },
}

SCSS

$custom: #307dad;
$custom-light: #78a2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#307dad",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 203.04,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56426,
    "c": 0.10518,
    "h": 240
  },
  "luminance": 0.18313
}

Semantic roles & 50–950 ramp

primary

#307DAD

secondary

#C39375

accent

#8248E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #307DAD

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

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