#308EBB#308EBB

#308EBB is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.109 H 233.7°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#308EBB
RGB	rgb(48, 142, 187)
HSL	hsl(199, 59%, 46%)
HSV	hsv(199, 74%, 73%)
CMYK	cmyk(74.3%, 24.1%, 0%, 26.7%)
CIE-LAB	lab(55.64, -12.12, -31.29)
CIE-LCH	lch(55.64, 33.56, 248.82°)
OKLab	oklab(61.22% -0.0647 -0.0881)
OKLCH	oklch(61.22% 0.109 233.7)
XYZ	xyz(19.8580, 23.5599, 50.5050)
Luminance	0.2356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308EBB #BB5D30

analogous

#30BBA2 #308EBB #3049BB

triadic

#308EBB #BB308E #8EBB30

tetradic

#308EBB #A230BB #BB5D30 #49BB30

square

#308EBB #A230BB #BB5D30 #49BB30

split-complementary

#308EBB #BB3049 #BBA230

monochromatic

#17445A #23698A #308EBB #55AAD3 #86C3E0

Accessibility & contrast

On white

3.68

#308EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#308EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308EBB

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308EBB	#FFFFFF	#000000	##000000
##308EBB	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBD

Deuteranopia (green-blind)

#657FBA

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308ebb;
/* rgb */ color: rgb(48, 142, 187);
/* oklch */ color: oklch(61.2% 0.109 233.7);

Tailwind

colors: {
  custom: {
    50: '#7cafcf',
    500: '#308ebb',
    950: '#000000',
  },
}

SCSS

$custom: #308ebb;
$custom-light: #7cafcf;
$custom-dark: #000000;

JSON

{
  "hex": "#308ebb",
  "rgb": {
    "r": 48,
    "g": 142,
    "b": 187
  },
  "hsl": {
    "h": 199.424,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.61222,
    "c": 0.1093,
    "h": 233.7
  },
  "luminance": 0.23562
}

Semantic roles & 50–950 ramp

primary

#308EBB

secondary

#C9967D

accent

#7845E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #308EBB

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

Preview Lab → · Contrast checker → · Palette generator →