#306ABC#306ABC

#306ABC is a mid, vivid blue. Relative luminance 0.146; OKLCH L 52.9% C 0.142 H 257.6°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#306ABC
RGB	rgb(48, 106, 188)
HSL	hsl(215, 59%, 46%)
HSV	hsv(215, 74%, 74%)
CMYK	cmyk(74.5%, 43.6%, 0%, 26.3%)
CIE-LAB	lab(45.03, 9.78, -48.62)
CIE-LCH	lch(45.03, 49.60, 281.38°)
OKLab	oklab(52.89% -0.0305 -0.1392)
OKLCH	oklch(52.89% 0.142 257.6)
XYZ	xyz(15.4467, 14.5656, 49.5645)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306ABC #BC8230

analogous

#30B0BC #306ABC #3C30BC

triadic

#306ABC #BC306A #6ABC30

tetradic

#306ABC #BC30B0 #BC8230 #30BC3C

square

#306ABC #BC30B0 #BC8230 #30BC3C

split-complementary

#306ABC #BC3C30 #B0BC30

monochromatic

#17335A #244F8B #306ABC #558AD4 #86ABE0

Accessibility & contrast

On white

5.37

#306ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#306ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306ABC

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306ABC	#FFFFFF	#000000	##FFFFFF
##306ABC	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4171BF

Deuteranopia (green-blind)

#2765BA

Tritanopia (blue-blind)

#007D8A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306abc;
/* rgb */ color: rgb(48, 106, 188);
/* oklch */ color: oklch(52.9% 0.142 257.6);

Tailwind

colors: {
  custom: {
    50: '#7b94d1',
    500: '#306abc',
    950: '#000000',
  },
}

SCSS

$custom: #306abc;
$custom-light: #7b94d1;
$custom-dark: #000000;

JSON

{
  "hex": "#306abc",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 188
  },
  "hsl": {
    "h": 215.143,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52893,
    "c": 0.14247,
    "h": 257.6
  },
  "luminance": 0.14567
}

Semantic roles & 50–950 ramp

primary

#306ABC

secondary

#CAAA7E

accent

#A145E3

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306ABC

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

Preview Lab → · Contrast checker → · Palette generator →