#34288B#34288B

#34288B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.0% C 0.156 H 280.6°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#34288B
RGB	rgb(52, 40, 139)
HSL	hsl(247, 55%, 35%)
HSV	hsv(247, 71%, 55%)
CMYK	cmyk(62.6%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(24.04, 35.34, -53.20)
CIE-LCH	lch(24.04, 63.87, 303.60°)
OKLab	oklab(36.03% 0.0288 -0.1533)
OKLCH	oklch(36.03% 0.156 280.6)
XYZ	xyz(6.8337, 4.1112, 24.8545)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34288B #7F8B28

analogous

#284D8B #34288B #66288B

triadic

#34288B #8B3428 #288B34

tetradic

#34288B #8B284D #7F8B28 #288B66

square

#34288B #8B284D #7F8B28 #288B66

split-complementary

#34288B #8B6628 #4D8B28

monochromatic

#100D2C #221A5B #34288B #4636BB #6B5DD0

Accessibility & contrast

On white

11.52

#34288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#34288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34288B

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34288B	#FFFFFF	#000000	##FFFFFF
##34288B	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #34288b;
/* rgb */ color: rgb(52, 40, 139);
/* oklch */ color: oklch(36.0% 0.156 280.6);

Tailwind

colors: {
  custom: {
    50: '#7663ae',
    500: '#34288b',
    950: '#000000',
  },
}

SCSS

$custom: #34288b;
$custom-light: #7663ae;
$custom-dark: #000000;

JSON

{
  "hex": "#34288b",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 247.273,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36029,
    "c": 0.15602,
    "h": 280.6
  },
  "luminance": 0.04112
}

Semantic roles & 50–950 ramp

primary

#34288B

secondary

#AAB659

accent

#DF49CD

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #34288B

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

Preview Lab → · Contrast checker → · Palette generator →