#213AA8#213AA8

#213AA8 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.178 H 267.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#213AA8
RGB	rgb(33, 58, 168)
HSL	hsl(229, 67%, 39%)
HSV	hsv(229, 80%, 66%)
CMYK	cmyk(80.4%, 65.5%, 0%, 34.1%)
CIE-LAB	lab(29.85, 31.99, -61.44)
CIE-LCH	lch(29.85, 69.27, 297.50°)
OKLab	oklab(40.78% -0.008 -0.1779)
OKLCH	oklch(40.78% 0.178 267.4)
XYZ	xyz(9.2057, 6.1755, 37.7450)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213AA8 #A88F21

analogous

#217EA8 #213AA8 #4C21A8

triadic

#213AA8 #A8213A #3AA821

tetradic

#213AA8 #A8217E #A88F21 #21A84C

square

#213AA8 #A8217E #A88F21 #21A84C

split-complementary

#213AA8 #A84C21 #7EA821

monochromatic

#0D1742 #172875 #213AA8 #304FD6 #637AE0

Accessibility & contrast

On white

9.39

#213AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#213AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213AA8

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213AA8	#FFFFFF	#000000	##FFFFFF
##213AA8	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213aa8;
/* rgb */ color: rgb(33, 58, 168);
/* oklch */ color: oklch(40.8% 0.178 267.4);

Tailwind

colors: {
  custom: {
    50: '#7470c3',
    500: '#213aa8',
    950: '#000000',
  },
}

SCSS

$custom: #213aa8;
$custom-light: #7470c3;
$custom-dark: #000000;

JSON

{
  "hex": "#213aa8",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 168
  },
  "hsl": {
    "h": 228.889,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40777,
    "c": 0.17805,
    "h": 267.4
  },
  "luminance": 0.06177
}

Semantic roles & 50–950 ramp

primary

#213AA8

secondary

#C5B35F

accent

#CA3EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #213AA8

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

Preview Lab → · Contrast checker → · Palette generator →