#215AAB#215AAB

#215AAB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.6% C 0.143 H 258.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#215AAB
RGB	rgb(33, 90, 171)
HSL	hsl(215, 68%, 40%)
HSV	hsv(215, 81%, 67%)
CMYK	cmyk(80.7%, 47.4%, 0%, 32.9%)
CIE-LAB	lab(38.85, 11.80, -48.60)
CIE-LCH	lch(38.85, 50.01, 283.64°)
OKLab	oklab(47.64% -0.0297 -0.1396)
OKLCH	oklch(47.64% 0.143 258)
XYZ	xyz(11.6313, 10.5745, 39.9482)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#215AAB #AB7221

analogous

#219FAB #215AAB #2D21AB

triadic

#215AAB #AB215A #5AAB21

tetradic

#215AAB #AB219F #AB7221 #21AB2D

square

#215AAB #AB219F #AB7221 #21AB2D

split-complementary

#215AAB #AB2D21 #9FAB21

monochromatic

#0D2444 #173F78 #215AAB #3276D7 #6598E1

Accessibility & contrast

On white

6.74

#215AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#215AAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #215AAB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##215AAB	#FFFFFF	#000000	##FFFFFF
##215AAB	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D62AE

Deuteranopia (green-blind)

#0256A9

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #215aab;
/* rgb */ color: rgb(33, 90, 171);
/* oklch */ color: oklch(47.6% 0.143 258.0);

Tailwind

colors: {
  custom: {
    50: '#7388c4',
    500: '#215aab',
    950: '#000000',
  },
}

SCSS

$custom: #215aab;
$custom-light: #7388c4;
$custom-dark: #000000;

JSON

{
  "hex": "#215aab",
  "rgb": {
    "r": 33,
    "g": 90,
    "b": 171
  },
  "hsl": {
    "h": 215.217,
    "s": 67.647,
    "l": 40
  },
  "oklch": {
    "l": 0.47643,
    "c": 0.14273,
    "h": 258
  },
  "luminance": 0.10576
}

Semantic roles & 50–950 ramp

primary

#215AAB

secondary

#C79D61

accent

#A33DEB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #215AAB

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

Preview Lab → · Contrast checker → · Palette generator →