#305AA6#305AA6

#305AA6 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.8% C 0.131 H 261.2°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#305AA6
RGB	rgb(48, 90, 166)
HSL	hsl(219, 55%, 42%)
HSV	hsv(219, 71%, 65%)
CMYK	cmyk(71.1%, 45.8%, 0%, 34.9%)
CIE-LAB	lab(39.06, 11.80, -45.28)
CIE-LCH	lch(39.06, 46.79, 284.61°)
OKLab	oklab(47.84% -0.0201 -0.1296)
OKLCH	oklch(47.84% 0.131 261.2)
XYZ	xyz(11.7556, 10.6927, 37.5134)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AA6 #A67C30

analogous

#3095A6 #305AA6 #4130A6

triadic

#305AA6 #A6305A #5AA630

tetradic

#305AA6 #A63095 #A67C30 #30A641

square

#305AA6 #A63095 #A67C30 #30A641

split-complementary

#305AA6 #A64130 #95A630

monochromatic

#152747 #224077 #305AA6 #4977CA #789AD8

Accessibility & contrast

On white

6.69

#305AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#305AA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AA6

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AA6	#FFFFFF	#000000	##FFFFFF
##305AA6	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3462A9

Deuteranopia (green-blind)

#1C57A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305aa6;
/* rgb */ color: rgb(48, 90, 166);
/* oklch */ color: oklch(47.8% 0.131 261.2);

Tailwind

colors: {
  custom: {
    50: '#7788c1',
    500: '#305aa6',
    950: '#000000',
  },
}

SCSS

$custom: #305aa6;
$custom-light: #7788c1;
$custom-dark: #000000;

JSON

{
  "hex": "#305aa6",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 166
  },
  "hsl": {
    "h": 218.644,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47843,
    "c": 0.13117,
    "h": 261.2
  },
  "luminance": 0.10694
}

Semantic roles & 50–950 ramp

primary

#305AA6

secondary

#C0A471

accent

#A949DE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305AA6

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

Preview Lab → · Contrast checker → · Palette generator →