#30337F#30337F

#30337F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.126 H 276.5°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#30337F
RGB	rgb(48, 51, 127)
HSL	hsl(238, 45%, 34%)
HSV	hsv(238, 62%, 50%)
CMYK	cmyk(62.2%, 59.8%, 0%, 50.2%)
CIE-LAB	lab(25.35, 23.41, -43.57)
CIE-LCH	lch(25.35, 49.46, 298.25°)
OKLab	oklab(36.58% 0.0143 -0.1251)
OKLCH	oklch(36.58% 0.126 276.5)
XYZ	xyz(6.2323, 4.5279, 20.6201)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30337F #7F7C30

analogous

#305B7F #30337F #55307F

triadic

#30337F #7F3033 #337F30

tetradic

#30337F #7F305B #7F7C30 #307F55

square

#30337F #7F305B #7F7C30 #307F55

split-complementary

#30337F #7F5530 #5B7F30

monochromatic

#0E0F26 #1F2153 #30337F #4145AB #6568C5

Accessibility & contrast

On white

11.02

#30337F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#30337F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30337F

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30337F	#FFFFFF	#000000	##FFFFFF
##30337F	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #30337f;
/* rgb */ color: rgb(48, 51, 127);
/* oklch */ color: oklch(36.6% 0.126 276.5);

Tailwind

colors: {
  custom: {
    50: '#716aa5',
    500: '#30337f',
    950: '#000000',
  },
}

SCSS

$custom: #30337f;
$custom-light: #716aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#30337f",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 127
  },
  "hsl": {
    "h": 237.722,
    "s": 45.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36578,
    "c": 0.12595,
    "h": 276.5
  },
  "luminance": 0.04528
}

Semantic roles & 50–950 ramp

primary

#30337F

secondary

#ACA95F

accent

#D053D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #30337F

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

Preview Lab → · Contrast checker → · Palette generator →