#305EA1#305EA1

#305EA1 is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.4% C 0.119 H 257.9°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#305EA1
RGB	rgb(48, 94, 161)
HSL	hsl(216, 54%, 41%)
HSV	hsv(216, 70%, 63%)
CMYK	cmyk(70.2%, 41.6%, 0%, 36.9%)
CIE-LAB	lab(39.92, 7.33, -40.92)
CIE-LCH	lch(39.92, 41.57, 280.16°)
OKLab	oklab(48.42% -0.025 -0.1167)
OKLCH	oklch(48.42% 0.119 257.9)
XYZ	xyz(11.6523, 11.2058, 35.2601)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EA1 #A17330

analogous

#3096A1 #305EA1 #3A30A1

triadic

#305EA1 #A1305E #5EA130

tetradic

#305EA1 #A13096 #A17330 #30A13A

square

#305EA1 #A13096 #A17330 #30A13A

split-complementary

#305EA1 #A13A30 #96A130

monochromatic

#142743 #224272 #305EA1 #467BC8 #759DD6

Accessibility & contrast

On white

6.48

#305EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#305EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EA1

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EA1	#FFFFFF	#000000	##FFFFFF
##305EA1	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F64A4

Deuteranopia (green-blind)

#2D59A0

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #305ea1;
/* rgb */ color: rgb(48, 94, 161);
/* oklch */ color: oklch(48.4% 0.119 257.9);

Tailwind

colors: {
  custom: {
    50: '#768bbd',
    500: '#305ea1',
    950: '#000000',
  },
}

SCSS

$custom: #305ea1;
$custom-light: #768bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#305ea1",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 161
  },
  "hsl": {
    "h": 215.575,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48415,
    "c": 0.11938,
    "h": 257.9
  },
  "luminance": 0.11207
}

Semantic roles & 50–950 ramp

primary

#305EA1

secondary

#BE9E6F

accent

#A24ADD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #305EA1

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

Preview Lab → · Contrast checker → · Palette generator →