#21488D#21488D

#21488D is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.4% C 0.123 H 260.8°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#21488D
RGB	rgb(33, 72, 141)
HSL	hsl(218, 62%, 34%)
HSV	hsv(218, 77%, 55%)
CMYK	cmyk(76.6%, 48.9%, 0%, 44.7%)
CIE-LAB	lab(31.53, 11.94, -42.31)
CIE-LCH	lch(31.53, 43.96, 285.76°)
OKLab	oklab(41.37% -0.0196 -0.1214)
OKLCH	oklch(41.37% 0.123 260.8)
XYZ	xyz(7.7505, 6.8803, 26.1137)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21488D #8D6621

analogous

#217E8D #21488D #30218D

triadic

#21488D #8D2148 #488D21

tetradic

#21488D #8D217E #8D6621 #218D30

square

#21488D #8D217E #8D6621 #218D30

split-complementary

#21488D #8D3021 #7E8D21

monochromatic

#0A152A #152F5B #21488D #2D61BF #5282D6

Accessibility & contrast

On white

8.84

#21488D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#21488D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21488D

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21488D	#FFFFFF	#000000	##FFFFFF
##21488D	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224F90

Deuteranopia (green-blind)

#02468C

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #21488d;
/* rgb */ color: rgb(33, 72, 141);
/* oklch */ color: oklch(41.4% 0.123 260.8);

Tailwind

colors: {
  custom: {
    50: '#6c7aaf',
    500: '#21488d',
    950: '#000000',
  },
}

SCSS

$custom: #21488d;
$custom-light: #6c7aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#21488d",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 141
  },
  "hsl": {
    "h": 218.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41365,
    "c": 0.12302,
    "h": 260.8
  },
  "luminance": 0.06881
}

Semantic roles & 50–950 ramp

primary

#21488D

secondary

#BA9450

accent

#AA43E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #21488D

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

Preview Lab → · Contrast checker → · Palette generator →