#215AB4#215AB4

#215AB4 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.155 H 259.5°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#215AB4
RGB	rgb(33, 90, 180)
HSL	hsl(217, 69%, 42%)
HSV	hsv(217, 82%, 71%)
CMYK	cmyk(81.7%, 50%, 0%, 29.4%)
CIE-LAB	lab(39.46, 15.34, -52.93)
CIE-LCH	lch(39.46, 55.11, 286.16°)
OKLab	oklab(48.3% -0.0282 -0.1524)
OKLCH	oklch(48.3% 0.155 259.5)
XYZ	xyz(12.5186, 10.9294, 44.6210)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#215AB4 #B47B21

analogous

#21A4B4 #215AB4 #3221B4

triadic

#215AB4 #B4215A #5AB421

tetradic

#215AB4 #B421A4 #B47B21 #21B432

square

#215AB4 #B421A4 #B47B21 #21B432

split-complementary

#215AB4 #B43221 #A4B421

monochromatic

#0E264D #184080 #215AB4 #3877DA #6B9AE4

Accessibility & contrast

On white

6.59

#215AB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#215AB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #215AB4

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##215AB4	#FFFFFF	#000000	##FFFFFF
##215AB4	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2364B7

Deuteranopia (green-blind)

#0057B2

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #215ab4;
/* rgb */ color: rgb(33, 90, 180);
/* oklch */ color: oklch(48.3% 0.155 259.5);

Tailwind

colors: {
  custom: {
    50: '#7588cb',
    500: '#215ab4',
    950: '#000000',
  },
}

SCSS

$custom: #215ab4;
$custom-light: #7588cb;
$custom-dark: #000000;

JSON

{
  "hex": "#215ab4",
  "rgb": {
    "r": 33,
    "g": 90,
    "b": 180
  },
  "hsl": {
    "h": 216.735,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48304,
    "c": 0.15495,
    "h": 259.5
  },
  "luminance": 0.10931
}

Semantic roles & 50–950 ramp

primary

#215AB4

secondary

#CAA467

accent

#A83CEC

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #215AB4

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

Preview Lab → · Contrast checker → · Palette generator →