#306ABB#306ABB

#306ABB is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.8% C 0.141 H 257.4°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#306ABB
RGB	rgb(48, 106, 187)
HSL	hsl(215, 59%, 46%)
HSV	hsv(215, 74%, 73%)
CMYK	cmyk(74.3%, 43.3%, 0%, 26.7%)
CIE-LAB	lab(44.97, 9.41, -48.14)
CIE-LCH	lch(44.97, 49.05, 281.06°)
OKLab	oklab(52.83% -0.0307 -0.1377)
OKLCH	oklch(52.83% 0.141 257.4)
XYZ	xyz(15.3393, 14.5226, 48.9988)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306ABB #BB8130

analogous

#30AFBB #306ABB #3B30BB

triadic

#306ABB #BB306A #6ABB30

tetradic

#306ABB #BB30AF #BB8130 #30BB3B

square

#306ABB #BB30AF #BB8130 #30BB3B

split-complementary

#306ABB #BB3B30 #AFBB30

monochromatic

#17335A #234E8A #306ABB #558AD3 #86ABE0

Accessibility & contrast

On white

5.38

#306ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#306ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306ABB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306ABB	#FFFFFF	#000000	##FFFFFF
##306ABB	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4271BE

Deuteranopia (green-blind)

#2864B9

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306abb;
/* rgb */ color: rgb(48, 106, 187);
/* oklch */ color: oklch(52.8% 0.141 257.4);

Tailwind

colors: {
  custom: {
    50: '#7b94d0',
    500: '#306abb',
    950: '#000000',
  },
}

SCSS

$custom: #306abb;
$custom-light: #7b94d0;
$custom-dark: #000000;

JSON

{
  "hex": "#306abb",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 187
  },
  "hsl": {
    "h": 214.964,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52828,
    "c": 0.14113,
    "h": 257.4
  },
  "luminance": 0.14524
}

Semantic roles & 50–950 ramp

primary

#306ABB

secondary

#C9AA7D

accent

#A145E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306ABB

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

Preview Lab → · Contrast checker → · Palette generator →