#30388B#30388B

#30388B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.137 H 273.9°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#30388B
RGB	rgb(48, 56, 139)
HSL	hsl(235, 49%, 37%)
HSV	hsv(235, 65%, 55%)
CMYK	cmyk(65.5%, 59.7%, 0%, 45.5%)
CIE-LAB	lab(27.63, 24.40, -47.35)
CIE-LCH	lch(27.63, 53.27, 297.27°)
OKLab	oklab(38.57% 0.0093 -0.1362)
OKLCH	oklch(38.57% 0.137 273.9)
XYZ	xyz(7.2918, 5.3202, 25.0637)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30388B #8B8330

analogous

#30668B #30388B #56308B

triadic

#30388B #8B3038 #388B30

tetradic

#30388B #8B3066 #8B8330 #308B56

square

#30388B #8B3066 #8B8330 #308B56

split-complementary

#30388B #8B5630 #668B30

monochromatic

#111330 #20265E #30388B #404AB8 #6A72CC

Accessibility & contrast

On white

10.17

#30388B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#30388B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30388B

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30388B	#FFFFFF	#000000	##FFFFFF
##30388B	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #30388b;
/* rgb */ color: rgb(48, 56, 139);
/* oklch */ color: oklch(38.6% 0.137 273.9);

Tailwind

colors: {
  custom: {
    50: '#736eae',
    500: '#30388b',
    950: '#000000',
  },
}

SCSS

$custom: #30388b;
$custom-light: #736eae;
$custom-dark: #000000;

JSON

{
  "hex": "#30388b",
  "rgb": {
    "r": 48,
    "g": 56,
    "b": 139
  },
  "hsl": {
    "h": 234.725,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38575,
    "c": 0.13654,
    "h": 273.9
  },
  "luminance": 0.05321
}

Semantic roles & 50–950 ramp

primary

#30388B

secondary

#B3AC64

accent

#CC50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #30388B

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

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