#21408E#21408E

#21408E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.135 H 264.6°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#21408E
RGB	rgb(33, 64, 142)
HSL	hsl(223, 62%, 34%)
HSV	hsv(223, 77%, 56%)
CMYK	cmyk(76.8%, 54.9%, 0%, 44.3%)
CIE-LAB	lab(29.27, 17.82, -46.58)
CIE-LCH	lch(29.27, 49.88, 290.94°)
OKLab	oklab(39.66% -0.0127 -0.1342)
OKLCH	oklch(39.66% 0.135 264.6)
XYZ	xyz(7.3414, 5.9423, 26.3460)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21408E #8E6F21

analogous

#21778E #21408E #39218E

triadic

#21408E #8E2140 #408E21

tetradic

#21408E #8E2177 #8E6F21 #218E39

square

#21408E #8E2177 #8E6F21 #218E39

split-complementary

#21408E #8E3921 #778E21

monochromatic

#0A132B #152A5C #21408E #2D56C0 #5278D7

Accessibility & contrast

On white

9.60

#21408E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#21408E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21408E

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21408E	#FFFFFF	#000000	##FFFFFF
##21408E	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034A91

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #21408e;
/* rgb */ color: rgb(33, 64, 142);
/* oklch */ color: oklch(39.7% 0.135 264.6);

Tailwind

colors: {
  custom: {
    50: '#6d74b0',
    500: '#21408e',
    950: '#000000',
  },
}

SCSS

$custom: #21408e;
$custom-light: #6d74b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21408e",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 142
  },
  "hsl": {
    "h": 222.936,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3966,
    "c": 0.13478,
    "h": 264.6
  },
  "luminance": 0.05943
}

Semantic roles & 50–950 ramp

primary

#21408E

secondary

#BA9C50

accent

#B742E5

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21408E

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

Preview Lab → · Contrast checker → · Palette generator →