#305D9D#305D9D

#305D9D is a mid, moderate blue. Relative luminance 0.109; OKLCH L 47.9% C 0.115 H 257.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#305D9D
RGB	rgb(48, 93, 157)
HSL	hsl(215, 53%, 40%)
HSV	hsv(215, 69%, 62%)
CMYK	cmyk(69.4%, 40.8%, 0%, 38.4%)
CIE-LAB	lab(39.40, 6.48, -39.38)
CIE-LCH	lch(39.40, 39.91, 279.35°)
OKLab	oklab(47.93% -0.0249 -0.1122)
OKLCH	oklch(47.93% 0.115 257.5)
XYZ	xyz(11.2169, 10.8903, 33.4026)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305D9D #9D7030

analogous

#30949D #305D9D #39309D

triadic

#305D9D #9D305D #5D9D30

tetradic

#305D9D #9D3094 #9D7030 #309D39

square

#305D9D #9D3094 #9D7030 #309D39

split-complementary

#305D9D #9D3930 #949D30

monochromatic

#13253F #22416E #305D9D #447AC6 #739BD4

Accessibility & contrast

On white

6.61

#305D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#305D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305D9D

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305D9D	#FFFFFF	#000000	##FFFFFF
##305D9D	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4062A0

Deuteranopia (green-blind)

#2F589C

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305d9d;
/* rgb */ color: rgb(48, 93, 157);
/* oklch */ color: oklch(47.9% 0.115 257.5);

Tailwind

colors: {
  custom: {
    50: '#758aba',
    500: '#305d9d',
    950: '#000000',
  },
}

SCSS

$custom: #305d9d;
$custom-light: #758aba;
$custom-dark: #000000;

JSON

{
  "hex": "#305d9d",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 157
  },
  "hsl": {
    "h": 215.229,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47928,
    "c": 0.11496,
    "h": 257.5
  },
  "luminance": 0.10891
}

Semantic roles & 50–950 ramp

primary

#305D9D

secondary

#BC9B6D

accent

#A14BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #305D9D

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

Preview Lab → · Contrast checker → · Palette generator →