#309DBA#309DBA

#309DBA is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.8% C 0.104 H 219.7°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#309DBA
RGB	rgb(48, 157, 186)
HSL	hsl(193, 59%, 46%)
HSV	hsv(193, 74%, 73%)
CMYK	cmyk(74.2%, 15.6%, 0%, 27.1%)
CIE-LAB	lab(60.15, -20.59, -23.77)
CIE-LCH	lch(60.15, 31.45, 229.10°)
OKLab	oklab(64.81% -0.0799 -0.0664)
OKLCH	oklch(64.81% 0.104 219.7)
XYZ	xyz(22.1351, 28.2849, 50.7378)
Luminance	0.2829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DBA #BA4D30

analogous

#30BA92 #309DBA #3058BA

triadic

#309DBA #BA309D #9DBA30

tetradic

#309DBA #9230BA #BA4D30 #58BA30

square

#309DBA #9230BA #BA4D30 #58BA30

split-complementary

#309DBA #BA3058 #BA9230

monochromatic

#174B59 #237489 #309DBA #54B8D3 #85CCDF

Accessibility & contrast

On white

3.15

#309DBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#309DBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DBA

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DBA	#FFFFFF	#000000	##000000
##309DBA	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B99BC

Deuteranopia (green-blind)

#788BBA

Tritanopia (blue-blind)

#00A7A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309dba;
/* rgb */ color: rgb(48, 157, 186);
/* oklch */ color: oklch(64.8% 0.104 219.7);

Tailwind

colors: {
  custom: {
    50: '#7cbace',
    500: '#309dba',
    950: '#000000',
  },
}

SCSS

$custom: #309dba;
$custom-light: #7cbace;
$custom-dark: #000000;

JSON

{
  "hex": "#309dba",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 186
  },
  "hsl": {
    "h": 192.609,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.6481,
    "c": 0.10389,
    "h": 219.7
  },
  "luminance": 0.28287
}

Semantic roles & 50–950 ramp

primary

#309DBA

secondary

#C98D7D

accent

#6746E2

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309DBA

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

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