#30538C#30538C

#30538C is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.5% C 0.103 H 259.7°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#30538C
RGB	rgb(48, 83, 140)
HSL	hsl(217, 49%, 37%)
HSV	hsv(217, 66%, 55%)
CMYK	cmyk(65.7%, 40.7%, 0%, 45.1%)
CIE-LAB	lab(35.41, 6.65, -35.45)
CIE-LCH	lch(35.41, 36.07, 280.63°)
OKLab	oklab(44.52% -0.0184 -0.1009)
OKLCH	oklch(44.52% 0.103 259.7)
XYZ	xyz(9.0441, 8.7075, 26.0099)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30538C #8C6930

analogous

#30818C #30538C #3B308C

triadic

#30538C #8C3053 #538C30

tetradic

#30538C #8C3081 #8C6930 #308C3B

square

#30538C #8C3081 #8C6930 #308C3B

split-complementary

#30538C #8C3B30 #818C30

monochromatic

#111D31 #20385E #30538C #406EBA #6A90CC

Accessibility & contrast

On white

7.66

#30538C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#30538C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30538C

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30538C	#FFFFFF	#000000	##FFFFFF
##30538C	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588E

Deuteranopia (green-blind)

#2C4F8B

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #30538c;
/* rgb */ color: rgb(48, 83, 140);
/* oklch */ color: oklch(44.5% 0.103 259.7);

Tailwind

colors: {
  custom: {
    50: '#7283ae',
    500: '#30538c',
    950: '#000000',
  },
}

SCSS

$custom: #30538c;
$custom-light: #7283ae;
$custom-dark: #000000;

JSON

{
  "hex": "#30538c",
  "rgb": {
    "r": 48,
    "g": 83,
    "b": 140
  },
  "hsl": {
    "h": 217.174,
    "s": 48.936,
    "l": 36.863
  },
  "oklch": {
    "l": 0.44519,
    "c": 0.10252,
    "h": 259.7
  },
  "luminance": 0.08708
}

Semantic roles & 50–950 ramp

primary

#30538C

secondary

#B39564

accent

#A44FD8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #30538C

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

Preview Lab → · Contrast checker → · Palette generator →