#305AA1#305AA1

#305AA1 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.5% C 0.124 H 260.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#305AA1
RGB	rgb(48, 90, 161)
HSL	hsl(218, 54%, 41%)
HSV	hsv(218, 70%, 63%)
CMYK	cmyk(70.2%, 44.1%, 0%, 36.9%)
CIE-LAB	lab(38.75, 9.92, -42.80)
CIE-LCH	lch(38.75, 43.93, 283.05°)
OKLab	oklab(47.5% -0.0211 -0.1223)
OKLCH	oklch(47.5% 0.124 260.2)
XYZ	xyz(11.3058, 10.5128, 35.1446)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AA1 #A17730

analogous

#3092A1 #305AA1 #3E30A1

triadic

#305AA1 #A1305A #5AA130

tetradic

#305AA1 #A13092 #A17730 #30A13E

square

#305AA1 #A13092 #A17730 #30A13E

split-complementary

#305AA1 #A13E30 #92A130

monochromatic

#142543 #224072 #305AA1 #4676C8 #7599D6

Accessibility & contrast

On white

6.77

#305AA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#305AA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AA1

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AA1	#FFFFFF	#000000	##FFFFFF
##305AA1	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3861A4

Deuteranopia (green-blind)

#2456A0

Tritanopia (blue-blind)

#006A75

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #305aa1;
/* rgb */ color: rgb(48, 90, 161);
/* oklch */ color: oklch(47.5% 0.124 260.2);

Tailwind

colors: {
  custom: {
    50: '#7688bd',
    500: '#305aa1',
    950: '#000000',
  },
}

SCSS

$custom: #305aa1;
$custom-light: #7688bd;
$custom-dark: #000000;

JSON

{
  "hex": "#305aa1",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 161
  },
  "hsl": {
    "h": 217.699,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47504,
    "c": 0.12413,
    "h": 260.2
  },
  "luminance": 0.10514
}

Semantic roles & 50–950 ramp

primary

#305AA1

secondary

#BEA16F

accent

#A74ADD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #305AA1

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

Preview Lab → · Contrast checker → · Palette generator →