#30458B#30458B

#30458B is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.3% C 0.119 H 268.3°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#30458B
RGB	rgb(48, 69, 139)
HSL	hsl(226, 49%, 37%)
HSV	hsv(226, 65%, 55%)
CMYK	cmyk(65.5%, 50.4%, 0%, 45.5%)
CIE-LAB	lab(31.23, 15.61, -41.53)
CIE-LCH	lch(31.23, 44.37, 290.60°)
OKLab	oklab(41.28% -0.0036 -0.1189)
OKLCH	oklch(41.28% 0.119 268.3)
XYZ	xyz(8.0057, 6.7480, 25.3017)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30458B #8B7630

analogous

#30738B #30458B #49308B

triadic

#30458B #8B3045 #458B30

tetradic

#30458B #8B3073 #8B7630 #308B49

square

#30458B #8B3073 #8B7630 #308B49

split-complementary

#30458B #8B4930 #738B30

monochromatic

#111830 #202E5E #30458B #405CB8 #6A80CC

Accessibility & contrast

On white

8.94

#30458B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#30458B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30458B

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30458B	#FFFFFF	#000000	##FFFFFF
##30458B	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204E8E

Deuteranopia (green-blind)

#0B468A

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #30458b;
/* rgb */ color: rgb(48, 69, 139);
/* oklch */ color: oklch(41.3% 0.119 268.3);

Tailwind

colors: {
  custom: {
    50: '#7278ad',
    500: '#30458b',
    950: '#000000',
  },
}

SCSS

$custom: #30458b;
$custom-light: #7278ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30458b",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 139
  },
  "hsl": {
    "h": 226.154,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4128,
    "c": 0.11899,
    "h": 268.3
  },
  "luminance": 0.06749
}

Semantic roles & 50–950 ramp

primary

#30458B

secondary

#B3A164

accent

#B950D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #30458B

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

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