#213999#213999

#213999 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.159 H 267.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#213999
RGB	rgb(33, 57, 153)
HSL	hsl(228, 65%, 36%)
HSV	hsv(228, 78%, 60%)
CMYK	cmyk(78.4%, 62.7%, 0%, 40%)
CIE-LAB	lab(28.24, 26.93, -54.99)
CIE-LCH	lch(28.24, 61.23, 296.09°)
OKLab	oklab(39.18% -0.0071 -0.159)
OKLCH	oklch(39.18% 0.159 267.4)
XYZ	xyz(7.8381, 5.5486, 30.7887)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213999 #998121

analogous

#217599 #213999 #452199

triadic

#213999 #992139 #399921

tetradic

#213999 #992175 #998121 #219945

square

#213999 #992175 #998121 #219945

split-complementary

#213999 #994521 #759921

monochromatic

#0B1334 #162667 #213999 #2C4CCB #5973DB

Accessibility & contrast

On white

9.95

#213999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#213999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213999

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213999	#FFFFFF	#000000	##FFFFFF
##213999	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #213999;
/* rgb */ color: rgb(33, 57, 153);
/* oklch */ color: oklch(39.2% 0.159 267.4);

Tailwind

colors: {
  custom: {
    50: '#706fb8',
    500: '#213999',
    950: '#000000',
  },
}

SCSS

$custom: #213999;
$custom-light: #706fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#213999",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 153
  },
  "hsl": {
    "h": 228,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39176,
    "c": 0.15915,
    "h": 267.4
  },
  "luminance": 0.05549
}

Semantic roles & 50–950 ramp

primary

#213999

secondary

#BFAA56

accent

#C640E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #213999

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

Preview Lab → · Contrast checker → · Palette generator →