#213BA6#213BA6

#213BA6 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.174 H 267.2°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#213BA6
RGB	rgb(33, 59, 166)
HSL	hsl(228, 67%, 39%)
HSV	hsv(228, 80%, 65%)
CMYK	cmyk(80.1%, 64.5%, 0%, 34.9%)
CIE-LAB	lab(29.92, 30.57, -60.13)
CIE-LCH	lch(29.92, 67.45, 296.95°)
OKLab	oklab(40.77% -0.0085 -0.174)
OKLCH	oklch(40.77% 0.174 267.2)
XYZ	xyz(9.0717, 6.2034, 36.7883)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213BA6 #A68C21

analogous

#217EA6 #213BA6 #4A21A6

triadic

#213BA6 #A6213B #3BA621

tetradic

#213BA6 #A6217E #A68C21 #21A64A

square

#213BA6 #A6217E #A68C21 #21A64A

split-complementary

#213BA6 #A64A21 #7EA621

monochromatic

#0D1740 #172973 #213BA6 #2F4FD6 #627AE0

Accessibility & contrast

On white

9.37

#213BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#213BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213BA6

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213BA6	#FFFFFF	#000000	##FFFFFF
##213BA6	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA9

Deuteranopia (green-blind)

#0040A4

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213ba6;
/* rgb */ color: rgb(33, 59, 166);
/* oklch */ color: oklch(40.8% 0.174 267.2);

Tailwind

colors: {
  custom: {
    50: '#7470c1',
    500: '#213ba6',
    950: '#000000',
  },
}

SCSS

$custom: #213ba6;
$custom-light: #7470c1;
$custom-dark: #000000;

JSON

{
  "hex": "#213ba6",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 166
  },
  "hsl": {
    "h": 228.271,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40772,
    "c": 0.17422,
    "h": 267.2
  },
  "luminance": 0.06204
}

Semantic roles & 50–950 ramp

primary

#213BA6

secondary

#C5B15E

accent

#C83EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #213BA6

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

Preview Lab → · Contrast checker → · Palette generator →