#305EB0#305EB0

#305EB0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.4% C 0.140 H 260.9°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#305EB0
RGB	rgb(48, 94, 176)
HSL	hsl(218, 57%, 44%)
HSV	hsv(218, 73%, 69%)
CMYK	cmyk(72.7%, 46.6%, 0%, 31%)
CIE-LAB	lab(40.84, 12.97, -48.33)
CIE-LCH	lch(40.84, 50.04, 285.02°)
OKLab	oklab(49.42% -0.0221 -0.1385)
OKLCH	oklch(49.42% 0.14 260.9)
XYZ	xyz(13.0553, 11.7670, 42.6491)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EB0 #B08230

analogous

#309EB0 #305EB0 #4230B0

triadic

#305EB0 #B0305E #5EB030

tetradic

#305EB0 #B0309E #B08230 #30B042

square

#305EB0 #B0309E #B08230 #30B042

split-complementary

#305EB0 #B04230 #9EB030

monochromatic

#162B50 #234480 #305EB0 #4E7DCF #7EA0DC

Accessibility & contrast

On white

6.26

#305EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#305EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EB0

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EB0	#FFFFFF	#000000	##FFFFFF
##305EB0	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3367B3

Deuteranopia (green-blind)

#165BAE

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305eb0;
/* rgb */ color: rgb(48, 94, 176);
/* oklch */ color: oklch(49.4% 0.140 260.9);

Tailwind

colors: {
  custom: {
    50: '#798bc8',
    500: '#305eb0',
    950: '#000000',
  },
}

SCSS

$custom: #305eb0;
$custom-light: #798bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#305eb0",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 218.438,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49421,
    "c": 0.14027,
    "h": 260.9
  },
  "luminance": 0.11768
}

Semantic roles & 50–950 ramp

primary

#305EB0

secondary

#C5A977

accent

#A947E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305EB0

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

Preview Lab → · Contrast checker → · Palette generator →