#305E9B#305E9B

#305E9B is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 48.0% C 0.111 H 256.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#305E9B
RGB	rgb(48, 94, 155)
HSL	hsl(214, 53%, 40%)
HSV	hsv(214, 69%, 61%)
CMYK	cmyk(69%, 39.4%, 0%, 39.2%)
CIE-LAB	lab(39.58, 5.10, -37.89)
CIE-LCH	lch(39.58, 38.23, 277.66°)
OKLab	oklab(48.03% -0.0264 -0.1079)
OKLCH	oklch(48.03% 0.111 256.3)
XYZ	xyz(11.1359, 10.9992, 32.5402)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305E9B #9B6D30

analogous

#30939B #305E9B #38309B

triadic

#305E9B #9B305E #5E9B30

tetradic

#305E9B #9B3093 #9B6D30 #309B38

square

#305E9B #9B3093 #9B6D30 #309B38

split-complementary

#305E9B #9B3830 #939B30

monochromatic

#13253E #22426C #305E9B #437BC5 #729CD3

Accessibility & contrast

On white

6.56

#305E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#305E9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305E9B

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305E9B	#FFFFFF	#000000	##FFFFFF
##305E9B	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42639D

Deuteranopia (green-blind)

#32599A

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305e9b;
/* rgb */ color: rgb(48, 94, 155);
/* oklch */ color: oklch(48.0% 0.111 256.3);

Tailwind

colors: {
  custom: {
    50: '#758bb9',
    500: '#305e9b',
    950: '#000000',
  },
}

SCSS

$custom: #305e9b;
$custom-light: #758bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#305e9b",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 155
  },
  "hsl": {
    "h": 214.206,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48034,
    "c": 0.11104,
    "h": 256.3
  },
  "luminance": 0.11
}

Semantic roles & 50–950 ramp

primary

#305E9B

secondary

#BB996C

accent

#9E4CDC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #305E9B

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

Preview Lab → · Contrast checker → · Palette generator →