#30558B#30558B

#30558B is a dark, moderate blue. Relative luminance 0.090; OKLCH L 44.9% C 0.099 H 257.8°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#30558B
RGB	rgb(48, 85, 139)
HSL	hsl(216, 49%, 37%)
HSV	hsv(216, 65%, 55%)
CMYK	cmyk(65.5%, 38.8%, 0%, 45.5%)
CIE-LAB	lab(35.96, 4.98, -33.97)
CIE-LCH	lch(35.96, 34.33, 278.34°)
OKLab	oklab(44.93% -0.0208 -0.0965)
OKLCH	oklch(44.93% 0.099 257.8)
XYZ	xyz(9.1260, 8.9886, 25.6751)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30558B #8B6630

analogous

#30838B #30558B #38308B

triadic

#30558B #8B3055 #558B30

tetradic

#30558B #8B3083 #8B6630 #308B38

square

#30558B #8B3083 #8B6630 #308B38

split-complementary

#30558B #8B3830 #838B30

monochromatic

#111D30 #20395E #30558B #4071B8 #6A92CC

Accessibility & contrast

On white

7.51

#30558B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#30558B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30558B

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30558B	#FFFFFF	#000000	##FFFFFF
##30558B	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598D

Deuteranopia (green-blind)

#31518A

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #30558b;
/* rgb */ color: rgb(48, 85, 139);
/* oklch */ color: oklch(44.9% 0.099 257.8);

Tailwind

colors: {
  custom: {
    50: '#7284ad',
    500: '#30558b',
    950: '#000000',
  },
}

SCSS

$custom: #30558b;
$custom-light: #7284ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30558b",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 139
  },
  "hsl": {
    "h": 215.604,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.44925,
    "c": 0.09871,
    "h": 257.8
  },
  "luminance": 0.08989
}

Semantic roles & 50–950 ramp

primary

#30558B

secondary

#B39364

accent

#A150D8

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #30558B

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

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