#21239E#21239E

#21239E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.0% C 0.190 H 271.0°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#21239E
RGB	rgb(33, 35, 158)
HSL	hsl(239, 65%, 37%)
HSV	hsv(239, 79%, 62%)
CMYK	cmyk(79.1%, 77.8%, 0%, 38%)
CIE-LAB	lab(23.65, 42.58, -65.60)
CIE-LCH	lch(23.65, 78.21, 302.98°)
OKLab	oklab(36% 0.0034 -0.19)
OKLCH	oklch(36% 0.19 271)
XYZ	xyz(7.3977, 3.9932, 32.7220)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21239E #9E9C21

analogous

#21629E #21239E #5E219E

triadic

#21239E #9E2123 #239E21

tetradic

#21239E #9E2162 #9E9C21 #219E5E

square

#21239E #9E2162 #9E9C21 #219E5E

split-complementary

#21239E #9E5E21 #629E21

monochromatic

#0C0D39 #16186B #21239E #2C2ED1 #5C5EDD

Accessibility & contrast

On white

11.67

#21239E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#21239E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21239E

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21239E	#FFFFFF	#000000	##FFFFFF
##21239E	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA1

Deuteranopia (green-blind)

#00329C

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21239e;
/* rgb */ color: rgb(33, 35, 158);
/* oklch */ color: oklch(36.0% 0.190 271.0);

Tailwind

colors: {
  custom: {
    50: '#7460bc',
    500: '#21239e',
    950: '#000000',
  },
}

SCSS

$custom: #21239e;
$custom-light: #7460bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21239e",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 158
  },
  "hsl": {
    "h": 239.04,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36,
    "c": 0.18999,
    "h": 271
  },
  "luminance": 0.03994
}

Semantic roles & 50–950 ramp

primary

#21239E

secondary

#C1C059

accent

#E63FE8

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21239E

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

Preview Lab → · Contrast checker → · Palette generator →