#308AB3#308AB3

#308AB3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.9% C 0.104 H 232.2°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#308AB3
RGB	rgb(48, 138, 179)
HSL	hsl(199, 58%, 45%)
HSV	hsv(199, 73%, 70%)
CMYK	cmyk(73.2%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(54.09, -12.65, -29.15)
CIE-LCH	lch(54.09, 31.77, 246.54°)
OKLab	oklab(59.87% -0.0636 -0.0819)
OKLCH	oklch(59.87% 0.104 232.2)
XYZ	xyz(18.4408, 22.0579, 45.9248)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308AB3 #B35930

analogous

#30B39B #308AB3 #3048B3

triadic

#308AB3 #B3308A #8AB330

tetradic

#308AB3 #9B30B3 #B35930 #48B330

square

#308AB3 #9B30B3 #B35930 #48B330

split-complementary

#308AB3 #B33048 #B39B30

monochromatic

#164052 #236583 #308AB3 #50A8D0 #80C0DD

Accessibility & contrast

On white

3.88

#308AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#308AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308AB3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308AB3	#FFFFFF	#000000	##000000
##308AB3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B5

Deuteranopia (green-blind)

#647CB2

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #308ab3;
/* rgb */ color: rgb(48, 138, 179);
/* oklch */ color: oklch(59.9% 0.104 232.2);

Tailwind

colors: {
  custom: {
    50: '#7aacca',
    500: '#308ab3',
    950: '#000000',
  },
}

SCSS

$custom: #308ab3;
$custom-light: #7aacca;
$custom-dark: #000000;

JSON

{
  "hex": "#308ab3",
  "rgb": {
    "r": 48,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 198.779,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.59868,
    "c": 0.10373,
    "h": 232.2
  },
  "luminance": 0.2206
}

Semantic roles & 50–950 ramp

primary

#308AB3

secondary

#C69179

accent

#7747E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308AB3

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

Preview Lab → · Contrast checker → · Palette generator →