#302B8E#302B8E

#302B8E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.5% C 0.157 H 277.4°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#302B8E
RGB	rgb(48, 43, 142)
HSL	hsl(243, 54%, 36%)
HSV	hsv(243, 70%, 56%)
CMYK	cmyk(66.2%, 69.7%, 0%, 44.3%)
CIE-LAB	lab(24.67, 33.94, -54.05)
CIE-LCH	lch(24.67, 63.82, 302.12°)
OKLab	oklab(36.49% 0.0204 -0.1559)
OKLCH	oklch(36.49% 0.157 277.4)
XYZ	xyz(6.9637, 4.3085, 26.0506)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302B8E #898E2B

analogous

#2B588E #302B8E #622B8E

triadic

#302B8E #8E302B #2B8E30

tetradic

#302B8E #8E2B58 #898E2B #2B8E62

square

#302B8E #8E2B58 #898E2B #2B8E62

split-complementary

#302B8E #8E622B #588E2B

monochromatic

#100F30 #201D5F #302B8E #4039BD #6963D0

Accessibility & contrast

On white

11.28

#302B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#302B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302B8E

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302B8E	#FFFFFF	#000000	##FFFFFF
##302B8E	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00368C

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #302b8e;
/* rgb */ color: rgb(48, 43, 142);
/* oklch */ color: oklch(36.5% 0.157 277.4);

Tailwind

colors: {
  custom: {
    50: '#7565b0',
    500: '#302b8e',
    950: '#000000',
  },
}

SCSS

$custom: #302b8e;
$custom-light: #7565b0;
$custom-dark: #000000;

JSON

{
  "hex": "#302b8e",
  "rgb": {
    "r": 48,
    "g": 43,
    "b": 142
  },
  "hsl": {
    "h": 243.03,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36486,
    "c": 0.15726,
    "h": 277.4
  },
  "luminance": 0.04309
}

Semantic roles & 50–950 ramp

primary

#302B8E

secondary

#B2B65F

accent

#DD4BD6

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090511

muted

#7B7A80

Preview Lab

Preview with #302B8E

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

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