#308DBB#308DBB

#308DBB is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.0% C 0.110 H 234.5°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#308DBB
RGB	rgb(48, 141, 187)
HSL	hsl(200, 59%, 46%)
HSV	hsv(200, 74%, 73%)
CMYK	cmyk(74.3%, 24.6%, 0%, 26.7%)
CIE-LAB	lab(55.34, -11.56, -31.76)
CIE-LCH	lch(55.34, 33.80, 250.00°)
OKLab	oklab(60.98% -0.0637 -0.0895)
OKLCH	oklch(60.98% 0.11 234.5)
XYZ	xyz(19.7099, 23.2637, 50.4556)
Luminance	0.2327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308DBB #BB5E30

analogous

#30BBA3 #308DBB #3047BB

triadic

#308DBB #BB308D #8DBB30

tetradic

#308DBB #A330BB #BB5E30 #47BB30

square

#308DBB #A330BB #BB5E30 #47BB30

split-complementary

#308DBB #BB3047 #BBA330

monochromatic

#17445A #23688A #308DBB #55A9D3 #86C2E0

Accessibility & contrast

On white

3.71

#308DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#308DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308DBB

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308DBB	#FFFFFF	#000000	##000000
##308DBB	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778CBD

Deuteranopia (green-blind)

#647FBA

Tritanopia (blue-blind)

#00999D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308dbb;
/* rgb */ color: rgb(48, 141, 187);
/* oklch */ color: oklch(61.0% 0.110 234.5);

Tailwind

colors: {
  custom: {
    50: '#7baecf',
    500: '#308dbb',
    950: '#000000',
  },
}

SCSS

$custom: #308dbb;
$custom-light: #7baecf;
$custom-dark: #000000;

JSON

{
  "hex": "#308dbb",
  "rgb": {
    "r": 48,
    "g": 141,
    "b": 187
  },
  "hsl": {
    "h": 199.856,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.60982,
    "c": 0.10984,
    "h": 234.5
  },
  "luminance": 0.23266
}

Semantic roles & 50–950 ramp

primary

#308DBB

secondary

#C9977D

accent

#7945E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #308DBB

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

Preview Lab → · Contrast checker → · Palette generator →