#308BB0#308BB0

#308BB0 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.0% C 0.101 H 229.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#308BB0
RGB	rgb(48, 139, 176)
HSL	hsl(197, 57%, 44%)
HSV	hsv(197, 73%, 69%)
CMYK	cmyk(72.7%, 21%, 0%, 31%)
CIE-LAB	lab(54.27, -14.23, -27.15)
CIE-LCH	lch(54.27, 30.66, 242.34°)
OKLab	oklab(59.97% -0.0657 -0.0762)
OKLCH	oklch(59.97% 0.101 229.2)
XYZ	xyz(18.2849, 22.2261, 44.3923)
Luminance	0.2223 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BB0 #B05530

analogous

#30B095 #308BB0 #304BB0

triadic

#308BB0 #B0308B #8BB030

tetradic

#308BB0 #9530B0 #B05530 #4BB030

square

#308BB0 #9530B0 #B05530 #4BB030

split-complementary

#308BB0 #B0304B #B09530

monochromatic

#163F50 #236580 #308BB0 #4EAACF #7EC1DC

Accessibility & contrast

On white

3.86

#308BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#308BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BB0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BB0	#FFFFFF	#000000	##000000
##308BB0	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B2

Deuteranopia (green-blind)

#667CAF

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #308bb0;
/* rgb */ color: rgb(48, 139, 176);
/* oklch */ color: oklch(60.0% 0.101 229.2);

Tailwind

colors: {
  custom: {
    50: '#7aadc7',
    500: '#308bb0',
    950: '#000000',
  },
}

SCSS

$custom: #308bb0;
$custom-light: #7aadc7;
$custom-dark: #000000;

JSON

{
  "hex": "#308bb0",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 197.344,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.59968,
    "c": 0.10061,
    "h": 229.2
  },
  "luminance": 0.22228
}

Semantic roles & 50–950 ramp

primary

#308BB0

secondary

#C58E77

accent

#7447E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308BB0

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

Preview Lab → · Contrast checker → · Palette generator →