#309AC0#309AC0

#309AC0 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.3% C 0.109 H 226.7°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#309AC0
RGB	rgb(48, 154, 192)
HSL	hsl(196, 60%, 47%)
HSV	hsv(196, 75%, 75%)
CMYK	cmyk(75%, 19.8%, 0%, 24.7%)
CIE-LAB	lab(59.47, -17.00, -28.18)
CIE-LCH	lch(59.47, 32.91, 238.90°)
OKLab	oklab(64.35% -0.0746 -0.0791)
OKLCH	oklch(64.35% 0.109 226.7)
XYZ	xyz(22.2851, 27.5427, 54.0007)
Luminance	0.2754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309AC0 #C05630

analogous

#30C09E #309AC0 #3052C0

triadic

#309AC0 #C0309A #9AC030

tetradic

#309AC0 #9E30C0 #C05630 #52C030

square

#309AC0 #9E30C0 #C05630 #52C030

split-complementary

#309AC0 #C03052 #C09E30

monochromatic

#184B5E #24738F #309AC0 #58B4D5 #89CAE1

Accessibility & contrast

On white

3.23

#309AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#309AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309AC0

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309AC0	#FFFFFF	#000000	##000000
##309AC0	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8697C2

Deuteranopia (green-blind)

#7289C0

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #309ac0;
/* rgb */ color: rgb(48, 154, 192);
/* oklch */ color: oklch(64.3% 0.109 226.7);

Tailwind

colors: {
  custom: {
    50: '#7db7d3',
    500: '#309ac0',
    950: '#000000',
  },
}

SCSS

$custom: #309ac0;
$custom-light: #7db7d3;
$custom-dark: #000000;

JSON

{
  "hex": "#309ac0",
  "rgb": {
    "r": 48,
    "g": 154,
    "b": 192
  },
  "hsl": {
    "h": 195.833,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.64349,
    "c": 0.10872,
    "h": 226.7
  },
  "luminance": 0.27545
}

Semantic roles & 50–950 ramp

primary

#309AC0

secondary

#CB9480

accent

#6E45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309AC0

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

Preview Lab → · Contrast checker → · Palette generator →