#307AAC#307AAC

#307AAC is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.106 H 242.0°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#307AAC
RGB	rgb(48, 122, 172)
HSL	hsl(204, 56%, 43%)
HSV	hsv(204, 72%, 67%)
CMYK	cmyk(72.1%, 29.1%, 0%, 32.5%)
CIE-LAB	lab(48.91, -5.92, -33.18)
CIE-LCH	lch(48.91, 33.70, 259.89°)
OKLab	oklab(55.65% -0.0499 -0.0938)
OKLCH	oklch(55.65% 0.106 242)
XYZ	xyz(15.6220, 17.5243, 41.5809)
Luminance	0.1753 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AAC #AC6230

analogous

#30ACA0 #307AAC #303CAC

triadic

#307AAC #AC307A #7AAC30

tetradic

#307AAC #A030AC #AC6230 #3CAC30

square

#307AAC #A030AC #AC6230 #3CAC30

split-complementary

#307AAC #AC303C #ACA030

monochromatic

#15364C #23587C #307AAC #4C99CD #7CB4DA

Accessibility & contrast

On white

4.66

#307AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#307AAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307AAC

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AAC	#FFFFFF	#000000	##FFFFFF
##307AAC	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637BAE

Deuteranopia (green-blind)

#526FAB

Tritanopia (blue-blind)

#00868B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307aac;
/* rgb */ color: rgb(48, 122, 172);
/* oklch */ color: oklch(55.7% 0.106 242.0);

Tailwind

colors: {
  custom: {
    50: '#78a0c5',
    500: '#307aac',
    950: '#000000',
  },
}

SCSS

$custom: #307aac;
$custom-light: #78a0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#307aac",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 172
  },
  "hsl": {
    "h": 204.194,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55653,
    "c": 0.10624,
    "h": 242
  },
  "luminance": 0.17526
}

Semantic roles & 50–950 ramp

primary

#307AAC

secondary

#C39475

accent

#8548E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #307AAC

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

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