#305EA6#305EA6

#305EA6 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.7% C 0.126 H 259.1°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#305EA6
RGB	rgb(48, 94, 166)
HSL	hsl(217, 55%, 42%)
HSV	hsv(217, 71%, 65%)
CMYK	cmyk(71.1%, 43.4%, 0%, 34.9%)
CIE-LAB	lab(40.22, 9.20, -43.42)
CIE-LCH	lch(40.22, 44.38, 281.97°)
OKLab	oklab(48.74% -0.0239 -0.1241)
OKLCH	oklch(48.74% 0.126 259.1)
XYZ	xyz(12.1021, 11.3857, 37.6289)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EA6 #A67830

analogous

#3099A6 #305EA6 #3D30A6

triadic

#305EA6 #A6305E #5EA630

tetradic

#305EA6 #A63099 #A67830 #30A63D

square

#305EA6 #A63099 #A67830 #30A63D

split-complementary

#305EA6 #A63D30 #99A630

monochromatic

#152847 #224377 #305EA6 #497BCA #789ED8

Accessibility & contrast

On white

6.41

#305EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#305EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EA6

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EA6	#FFFFFF	#000000	##FFFFFF
##305EA6	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B65A9

Deuteranopia (green-blind)

#275AA5

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305ea6;
/* rgb */ color: rgb(48, 94, 166);
/* oklch */ color: oklch(48.7% 0.126 259.1);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#305ea6',
    950: '#000000',
  },
}

SCSS

$custom: #305ea6;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#305ea6",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 166
  },
  "hsl": {
    "h": 216.61,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48742,
    "c": 0.12635,
    "h": 259.1
  },
  "luminance": 0.11387
}

Semantic roles & 50–950 ramp

primary

#305EA6

secondary

#C0A271

accent

#A449DE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305EA6

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

Preview Lab → · Contrast checker → · Palette generator →