#308AB1#308AB1

#308AB1 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.8% C 0.102 H 230.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#308AB1
RGB	rgb(48, 138, 177)
HSL	hsl(198, 57%, 44%)
HSV	hsv(198, 73%, 69%)
CMYK	cmyk(72.9%, 22%, 0%, 30.6%)
CIE-LAB	lab(54.00, -13.34, -28.13)
CIE-LCH	lch(54.00, 31.13, 244.64°)
OKLab	oklab(59.77% -0.0643 -0.079)
OKLCH	oklch(59.77% 0.102 230.9)
XYZ	xyz(18.2400, 21.9776, 44.8672)
Luminance	0.2198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308AB1 #B15730

analogous

#30B198 #308AB1 #3049B1

triadic

#308AB1 #B1308A #8AB130

tetradic

#308AB1 #9830B1 #B15730 #49B130

square

#308AB1 #9830B1 #B15730 #49B130

split-complementary

#308AB1 #B13049 #B19830

monochromatic

#163F51 #236481 #308AB1 #4FA8CF #7FC0DC

Accessibility & contrast

On white

3.89

#308AB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#308AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308AB1

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308AB1	#FFFFFF	#000000	##000000
##308AB1	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B3

Deuteranopia (green-blind)

#657CB0

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #308ab1;
/* rgb */ color: rgb(48, 138, 177);
/* oklch */ color: oklch(59.8% 0.102 230.9);

Tailwind

colors: {
  custom: {
    50: '#7aacc8',
    500: '#308ab1',
    950: '#000000',
  },
}

SCSS

$custom: #308ab1;
$custom-light: #7aacc8;
$custom-dark: #000000;

JSON

{
  "hex": "#308ab1",
  "rgb": {
    "r": 48,
    "g": 138,
    "b": 177
  },
  "hsl": {
    "h": 198.14,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59772,
    "c": 0.10189,
    "h": 230.9
  },
  "luminance": 0.2198
}

Semantic roles & 50–950 ramp

primary

#308AB1

secondary

#C58F78

accent

#7647E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308AB1

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

Preview Lab → · Contrast checker → · Palette generator →