#30558F#30558F

#30558F is a mid, moderate blue. Relative luminance 0.091; OKLCH L 45.2% C 0.104 H 259.1°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#30558F
RGB	rgb(48, 85, 143)
HSL	hsl(217, 50%, 37%)
HSV	hsv(217, 66%, 56%)
CMYK	cmyk(66.4%, 40.6%, 0%, 43.9%)
CIE-LAB	lab(36.19, 6.46, -36.04)
CIE-LCH	lch(36.19, 36.62, 280.16°)
OKLab	oklab(45.18% -0.0198 -0.1026)
OKLCH	oklch(45.18% 0.104 259.1)
XYZ	xyz(9.4236, 9.1076, 27.2426)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30558F #8F6A30

analogous

#30848F #30558F #3B308F

triadic

#30558F #8F3055 #558F30

tetradic

#30558F #8F3084 #8F6A30 #308F3B

square

#30558F #8F3084 #8F6A30 #308F3B

split-complementary

#30558F #8F3B30 #848F30

monochromatic

#111F33 #213A61 #30558F #3F70BD #6C92CE

Accessibility & contrast

On white

7.44

#30558F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#30558F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30558F

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30558F	#FFFFFF	#000000	##FFFFFF
##30558F	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5A91

Deuteranopia (green-blind)

#2D518E

Tritanopia (blue-blind)

#00626B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #30558f;
/* rgb */ color: rgb(48, 85, 143);
/* oklch */ color: oklch(45.2% 0.104 259.1);

Tailwind

colors: {
  custom: {
    50: '#7384b0',
    500: '#30558f',
    950: '#000000',
  },
}

SCSS

$custom: #30558f;
$custom-light: #7384b0;
$custom-dark: #000000;

JSON

{
  "hex": "#30558f",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 143
  },
  "hsl": {
    "h": 216.632,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.45177,
    "c": 0.10447,
    "h": 259.1
  },
  "luminance": 0.09109
}

Semantic roles & 50–950 ramp

primary

#30558F

secondary

#B59666

accent

#A34FD9

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #30558F

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

Preview Lab → · Contrast checker → · Palette generator →