#305AA7#305AA7

#305AA7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.133 H 261.3°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#305AA7
RGB	rgb(48, 90, 167)
HSL	hsl(219, 55%, 42%)
HSV	hsv(219, 71%, 65%)
CMYK	cmyk(71.3%, 46.1%, 0%, 34.5%)
CIE-LAB	lab(39.12, 12.18, -45.77)
CIE-LCH	lch(39.12, 47.36, 284.90°)
OKLab	oklab(47.91% -0.0199 -0.1311)
OKLCH	oklch(47.91% 0.133 261.3)
XYZ	xyz(11.8476, 10.7295, 37.9983)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AA7 #A77D30

analogous

#3095A7 #305AA7 #4230A7

triadic

#305AA7 #A7305A #5AA730

tetradic

#305AA7 #A73095 #A77D30 #30A742

square

#305AA7 #A73095 #A77D30 #30A742

split-complementary

#305AA7 #A74230 #95A730

monochromatic

#152748 #224077 #305AA7 #4977CB #799BD8

Accessibility & contrast

On white

6.67

#305AA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#305AA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AA7

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AA7	#FFFFFF	#000000	##FFFFFF
##305AA7	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3362AA

Deuteranopia (green-blind)

#1B57A5

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305aa7;
/* rgb */ color: rgb(48, 90, 167);
/* oklch */ color: oklch(47.9% 0.133 261.3);

Tailwind

colors: {
  custom: {
    50: '#7788c2',
    500: '#305aa7',
    950: '#000000',
  },
}

SCSS

$custom: #305aa7;
$custom-light: #7788c2;
$custom-dark: #000000;

JSON

{
  "hex": "#305aa7",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 167
  },
  "hsl": {
    "h": 218.824,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.47912,
    "c": 0.13258,
    "h": 261.3
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary

#305AA7

secondary

#C1A572

accent

#AA49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305AA7

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

Preview Lab → · Contrast checker → · Palette generator →