#21509F#21509F

#21509F is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.5% C 0.138 H 260.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#21509F
RGB	rgb(33, 80, 159)
HSL	hsl(218, 66%, 38%)
HSV	hsv(218, 79%, 62%)
CMYK	cmyk(79.2%, 49.7%, 0%, 37.6%)
CIE-LAB	lab(35.13, 13.69, -47.44)
CIE-LCH	lch(35.13, 49.38, 286.10°)
OKLab	oklab(44.52% -0.0236 -0.1364)
OKLCH	oklch(44.52% 0.138 260.2)
XYZ	xyz(9.7516, 8.5627, 33.9330)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21509F #9F7021

analogous

#218F9F #21509F #31219F

triadic

#21509F #9F2150 #509F21

tetradic

#21509F #9F218F #9F7021 #219F31

square

#21509F #9F218F #9F7021 #219F31

split-complementary

#21509F #9F3121 #8F9F21

monochromatic

#0C1D3A #16366C #21509F #2C6AD2 #5D8DDD

Accessibility & contrast

On white

7.74

#21509F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#21509F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21509F

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21509F	#FFFFFF	#000000	##FFFFFF
##21509F	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2259A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #21509f;
/* rgb */ color: rgb(33, 80, 159);
/* oklch */ color: oklch(44.5% 0.138 260.2);

Tailwind

colors: {
  custom: {
    50: '#7080bc',
    500: '#21509f',
    950: '#000000',
  },
}

SCSS

$custom: #21509f;
$custom-light: #7080bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21509f",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 159
  },
  "hsl": {
    "h": 217.619,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44519,
    "c": 0.13843,
    "h": 260.2
  },
  "luminance": 0.08564
}

Semantic roles & 50–950 ramp

primary

#21509F

secondary

#C29B5A

accent

#A93FE9

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #21509F

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

Preview Lab → · Contrast checker → · Palette generator →