#21488F#21488F

#21488F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.126 H 261.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#21488F
RGB	rgb(33, 72, 143)
HSL	hsl(219, 63%, 35%)
HSV	hsv(219, 77%, 56%)
CMYK	cmyk(76.9%, 49.7%, 0%, 43.9%)
CIE-LAB	lab(31.67, 12.74, -43.31)
CIE-LCH	lch(31.67, 45.15, 286.39°)
OKLab	oklab(41.52% -0.0193 -0.1244)
OKLCH	oklch(41.52% 0.126 261.2)
XYZ	xyz(7.9007, 6.9403, 26.9045)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21488F #8F6821

analogous

#217F8F #21488F #31218F

triadic

#21488F #8F2148 #488F21

tetradic

#21488F #8F217F #8F6821 #218F31

square

#21488F #8F217F #8F6821 #218F31

split-complementary

#21488F #8F3121 #7F8F21

monochromatic

#0A162C #162F5D #21488F #2C61C1 #5382D7

Accessibility & contrast

On white

8.79

#21488F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#21488F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21488F

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21488F	#FFFFFF	#000000	##FFFFFF
##21488F	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205092

Deuteranopia (green-blind)

#00468E

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #21488f;
/* rgb */ color: rgb(33, 72, 143);
/* oklch */ color: oklch(41.5% 0.126 261.2);

Tailwind

colors: {
  custom: {
    50: '#6d7ab0',
    500: '#21488f',
    950: '#000000',
  },
}

SCSS

$custom: #21488f;
$custom-light: #6d7ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#21488f",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 143
  },
  "hsl": {
    "h": 218.727,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41515,
    "c": 0.1259,
    "h": 261.2
  },
  "luminance": 0.06941
}

Semantic roles & 50–950 ramp

primary

#21488F

secondary

#BB9551

accent

#AC42E6

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #21488F

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

Preview Lab → · Contrast checker → · Palette generator →