#21397A#21397A

#21397A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.115 H 265.7°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#21397A
RGB	rgb(33, 57, 122)
HSL	hsl(224, 57%, 30%)
HSV	hsv(224, 73%, 48%)
CMYK	cmyk(73%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(25.73, 14.73, -39.84)
CIE-LCH	lch(25.73, 42.48, 290.29°)
OKLab	oklab(36.5% -0.0086 -0.1145)
OKLCH	oklch(36.5% 0.115 265.7)
XYZ	xyz(5.6020, 4.6542, 19.0117)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21397A #7A6221

analogous

#21657A #21397A #35217A

triadic

#21397A #7A2139 #397A21

tetradic

#21397A #7A2165 #7A6221 #217A35

square

#21397A #7A2165 #7A6221 #217A35

split-complementary

#21397A #7A3521 #657A21

monochromatic

#070C1A #14224A #21397A #2E50AA #486CCD

Accessibility & contrast

On white

10.88

#21397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#21397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21397A

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21397A	#FFFFFF	#000000	##FFFFFF
##21397A	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11417C

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #21397a;
/* rgb */ color: rgb(33, 57, 122);
/* oklch */ color: oklch(36.5% 0.115 265.7);

Tailwind

colors: {
  custom: {
    50: '#696ea1',
    500: '#21397a',
    950: '#000000',
  },
}

SCSS

$custom: #21397a;
$custom-light: #696ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#21397a",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 223.82,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36497,
    "c": 0.1148,
    "h": 265.7
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary

#21397A

secondary

#AD924A

accent

#B747E1

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #21397A

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

Preview Lab → · Contrast checker → · Palette generator →