#34388B#34388B

#34388B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.135 H 276.0°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#34388B
RGB	rgb(52, 56, 139)
HSL	hsl(237, 46%, 37%)
HSV	hsv(237, 63%, 55%)
CMYK	cmyk(62.6%, 59.7%, 0%, 45.5%)
CIE-LAB	lab(27.90, 25.11, -46.89)
CIE-LCH	lch(27.90, 53.19, 298.17°)
OKLab	oklab(38.85% 0.0142 -0.1347)
OKLCH	oklch(38.85% 0.135 276)
XYZ	xyz(7.4890, 5.4219, 25.0730)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34388B #8B8734

analogous

#34648B #34388B #5B348B

triadic

#34388B #8B3438 #388B34

tetradic

#34388B #8B3464 #8B8734 #348B5B

square

#34388B #8B3464 #8B8734 #348B5B

split-complementary

#34388B #8B5B34 #648B34

monochromatic

#131432 #23265E #34388B #454AB8 #7074C9

Accessibility & contrast

On white

10.07

#34388B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#34388B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34388B

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34388B	#FFFFFF	#000000	##FFFFFF
##34388B	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #34388b;
/* rgb */ color: rgb(52, 56, 139);
/* oklch */ color: oklch(38.9% 0.135 276.0);

Tailwind

colors: {
  custom: {
    50: '#756eae',
    500: '#34388b',
    950: '#000000',
  },
}

SCSS

$custom: #34388b;
$custom-light: #756eae;
$custom-dark: #000000;

JSON

{
  "hex": "#34388b",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 139
  },
  "hsl": {
    "h": 237.241,
    "s": 45.55,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38852,
    "c": 0.13549,
    "h": 276
  },
  "luminance": 0.05422
}

Semantic roles & 50–950 ramp

primary

#34388B

secondary

#B2AE69

accent

#CF53D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #34388B

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

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