#305BA6#305BA6

#305BA6 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.1% C 0.130 H 260.7°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#305BA6
RGB	rgb(48, 91, 166)
HSL	hsl(218, 55%, 42%)
HSV	hsv(218, 71%, 65%)
CMYK	cmyk(71.1%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(39.35, 11.15, -44.82)
CIE-LCH	lch(39.35, 46.18, 283.97°)
OKLab	oklab(48.07% -0.0211 -0.1282)
OKLCH	oklch(48.07% 0.13 260.7)
XYZ	xyz(11.8405, 10.8625, 37.5417)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BA6 #A67B30

analogous

#3096A6 #305BA6 #4030A6

triadic

#305BA6 #A6305B #5BA630

tetradic

#305BA6 #A63096 #A67B30 #30A640

square

#305BA6 #A63096 #A67B30 #30A640

split-complementary

#305BA6 #A64030 #96A630

monochromatic

#152747 #224177 #305BA6 #4978CA #789BD8

Accessibility & contrast

On white

6.62

#305BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#305BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BA6

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BA6	#FFFFFF	#000000	##FFFFFF
##305BA6	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3663A9

Deuteranopia (green-blind)

#1F58A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305ba6;
/* rgb */ color: rgb(48, 91, 166);
/* oklch */ color: oklch(48.1% 0.130 260.7);

Tailwind

colors: {
  custom: {
    50: '#7788c1',
    500: '#305ba6',
    950: '#000000',
  },
}

SCSS

$custom: #305ba6;
$custom-light: #7788c1;
$custom-dark: #000000;

JSON

{
  "hex": "#305ba6",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 218.136,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48067,
    "c": 0.12996,
    "h": 260.7
  },
  "luminance": 0.10864
}

Semantic roles & 50–950 ramp

primary

#305BA6

secondary

#C0A471

accent

#A849DE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305BA6

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

Preview Lab → · Contrast checker → · Palette generator →