#21529A#21529A

#21529A is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.6% C 0.129 H 258.3°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#21529A
RGB	rgb(33, 82, 154)
HSL	hsl(216, 65%, 37%)
HSV	hsv(216, 79%, 60%)
CMYK	cmyk(78.6%, 46.8%, 0%, 39.6%)
CIE-LAB	lab(35.38, 10.37, -44.03)
CIE-LCH	lch(35.38, 45.23, 283.26°)
OKLab	oklab(44.61% -0.0261 -0.1263)
OKLCH	oklch(44.61% 0.129 258.3)
XYZ	xyz(9.4751, 8.6899, 31.7435)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21529A #9A6921

analogous

#218F9A #21529A #2C219A

triadic

#21529A #9A2152 #529A21

tetradic

#21529A #9A218F #9A6921 #219A2C

square

#21529A #9A218F #9A6921 #219A2C

split-complementary

#21529A #9A2C21 #8F9A21

monochromatic

#0B1C35 #163768 #21529A #2C6DCC #5A8EDC

Accessibility & contrast

On white

7.67

#21529A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#21529A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21529A

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21529A	#FFFFFF	#000000	##FFFFFF
##21529A	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C599D

Deuteranopia (green-blind)

#0E4E99

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #21529a;
/* rgb */ color: rgb(33, 82, 154);
/* oklch */ color: oklch(44.6% 0.129 258.3);

Tailwind

colors: {
  custom: {
    50: '#6f82b8',
    500: '#21529a',
    950: '#000000',
  },
}

SCSS

$custom: #21529a;
$custom-light: #6f82b8;
$custom-dark: #000000;

JSON

{
  "hex": "#21529a",
  "rgb": {
    "r": 33,
    "g": 82,
    "b": 154
  },
  "hsl": {
    "h": 215.702,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.44605,
    "c": 0.12898,
    "h": 258.3
  },
  "luminance": 0.08691
}

Semantic roles & 50–950 ramp

primary

#21529A

secondary

#C09557

accent

#A440E8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #21529A

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

Preview Lab → · Contrast checker → · Palette generator →