#309EBA#309EBA

#309EBA is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.1% C 0.104 H 218.8°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#309EBA
RGB	rgb(48, 158, 186)
HSL	hsl(192, 59%, 46%)
HSV	hsv(192, 74%, 73%)
CMYK	cmyk(74.2%, 15.1%, 0%, 27.1%)
CIE-LAB	lab(60.45, -21.11, -23.30)
CIE-LCH	lch(60.45, 31.45, 227.82°)
OKLab	oklab(65.05% -0.0809 -0.0651)
OKLCH	oklch(65.05% 0.104 218.8)
XYZ	xyz(22.3050, 28.6246, 50.7944)
Luminance	0.2863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309EBA #BA4C30

analogous

#30BA91 #309EBA #3059BA

triadic

#309EBA #BA309E #9EBA30

tetradic

#309EBA #9130BA #BA4C30 #59BA30

square

#309EBA #9130BA #BA4C30 #59BA30

split-complementary

#309EBA #BA3059 #BA9130

monochromatic

#174B59 #237589 #309EBA #54B9D3 #85CDDF

Accessibility & contrast

On white

3.12

#309EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#309EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EBA

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309EBA	#FFFFFF	#000000	##000000
##309EBA	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9ABC

Deuteranopia (green-blind)

#7A8CBA

Tritanopia (blue-blind)

#00A7A7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #309eba;
/* rgb */ color: rgb(48, 158, 186);
/* oklch */ color: oklch(65.1% 0.104 218.8);

Tailwind

colors: {
  custom: {
    50: '#7dbace',
    500: '#309eba',
    950: '#000000',
  },
}

SCSS

$custom: #309eba;
$custom-light: #7dbace;
$custom-dark: #000000;

JSON

{
  "hex": "#309eba",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 186
  },
  "hsl": {
    "h": 192.174,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.65054,
    "c": 0.10382,
    "h": 218.8
  },
  "luminance": 0.28627
}

Semantic roles & 50–950 ramp

primary

#309EBA

secondary

#C98C7D

accent

#6546E2

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309EBA

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

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