#153383#153383

#153383 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.4% C 0.139 H 264.5°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#153383
RGB	rgb(21, 51, 131)
HSL	hsl(224, 72%, 30%)
HSV	hsv(224, 84%, 51%)
CMYK	cmyk(84%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(24.21, 21.11, -47.99)
CIE-LCH	lch(24.21, 52.43, 293.74°)
OKLab	oklab(35.44% -0.0133 -0.1388)
OKLCH	oklch(35.44% 0.139 264.5)
XYZ	xyz(5.5884, 4.1651, 21.9777)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153383 #836515

analogous

#156A83 #153383 #2E1583

triadic

#153383 #831533 #338315

tetradic

#153383 #83156A #836515 #15832E

square

#153383 #83156A #836515 #15832E

split-complementary

#153383 #832E15 #6A8315

monochromatic

#040A1A #0D1E4E #153383 #1D48B8 #3462DE

Accessibility & contrast

On white

11.46

#153383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153383

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153383	#FFFFFF	#000000	##FFFFFF
##153383	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003581

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153383;
/* rgb */ color: rgb(21, 51, 131);
/* oklch */ color: oklch(35.4% 0.139 264.5);

Tailwind

colors: {
  custom: {
    50: '#676aa8',
    500: '#153383',
    950: '#000000',
  },
}

SCSS

$custom: #153383;
$custom-light: #676aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#153383",
  "rgb": {
    "r": 21,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 223.636,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35441,
    "c": 0.13939,
    "h": 264.5
  },
  "luminance": 0.04166
}

Semantic roles & 50–950 ramp

primary

#153383

secondary

#B8963C

accent

#BD39EF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #153383

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

Preview Lab → · Contrast checker → · Palette generator →