#215BB3#215BB3

#215BB3 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.152 H 259.0°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#215BB3
RGB	rgb(33, 91, 179)
HSL	hsl(216, 69%, 42%)
HSV	hsv(216, 82%, 70%)
CMYK	cmyk(81.6%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(39.68, 14.29, -51.99)
CIE-LCH	lch(39.68, 53.92, 285.36°)
OKLab	oklab(48.45% -0.0291 -0.1496)
OKLCH	oklch(48.45% 0.152 259)
XYZ	xyz(12.5020, 11.0587, 44.1147)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#215BB3 #B37921

analogous

#21A4B3 #215BB3 #3021B3

triadic

#215BB3 #B3215B #5BB321

tetradic

#215BB3 #B321A4 #B37921 #21B330

square

#215BB3 #B321A4 #B37921 #21B330

split-complementary

#215BB3 #B33021 #A4B321

monochromatic

#0E264C #17417F #215BB3 #3778DA #6B9BE4

Accessibility & contrast

On white

6.54

#215BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#215BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #215BB3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##215BB3	#FFFFFF	#000000	##FFFFFF
##215BB3	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2764B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #215bb3;
/* rgb */ color: rgb(33, 91, 179);
/* oklch */ color: oklch(48.4% 0.152 259.0);

Tailwind

colors: {
  custom: {
    50: '#7588ca',
    500: '#215bb3',
    950: '#000000',
  },
}

SCSS

$custom: #215bb3;
$custom-light: #7588ca;
$custom-dark: #000000;

JSON

{
  "hex": "#215bb3",
  "rgb": {
    "r": 33,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 216.164,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48449,
    "c": 0.15238,
    "h": 259
  },
  "luminance": 0.1106
}

Semantic roles & 50–950 ramp

primary

#215BB3

secondary

#CAA266

accent

#A63CEC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #215BB3

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

Preview Lab → · Contrast checker → · Palette generator →