#215DB3#215DB3

#215DB3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.150 H 258.2°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#215DB3
RGB	rgb(33, 93, 179)
HSL	hsl(215, 69%, 42%)
HSV	hsv(215, 82%, 70%)
CMYK	cmyk(81.6%, 48%, 0%, 29.8%)
CIE-LAB	lab(40.25, 12.97, -51.07)
CIE-LCH	lch(40.25, 52.69, 284.26°)
OKLab	oklab(48.89% -0.0307 -0.1468)
OKLCH	oklch(48.89% 0.15 258.2)
XYZ	xyz(12.6752, 11.4052, 44.1725)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#215DB3 #B37721

analogous

#21A6B3 #215DB3 #2E21B3

triadic

#215DB3 #B3215D #5DB321

tetradic

#215DB3 #B321A6 #B37721 #21B32E

square

#215DB3 #B321A6 #B37721 #21B32E

split-complementary

#215DB3 #B32E21 #A6B321

monochromatic

#0E274C #17427F #215DB3 #377ADA #6B9CE4

Accessibility & contrast

On white

6.40

#215DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#215DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #215DB3

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##215DB3	#FFFFFF	#000000	##FFFFFF
##215DB3	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C66B6

Deuteranopia (green-blind)

#0059B1

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #215db3;
/* rgb */ color: rgb(33, 93, 179);
/* oklch */ color: oklch(48.9% 0.150 258.2);

Tailwind

colors: {
  custom: {
    50: '#758aca',
    500: '#215db3',
    950: '#000000',
  },
}

SCSS

$custom: #215db3;
$custom-light: #758aca;
$custom-dark: #000000;

JSON

{
  "hex": "#215db3",
  "rgb": {
    "r": 33,
    "g": 93,
    "b": 179
  },
  "hsl": {
    "h": 215.342,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48891,
    "c": 0.14997,
    "h": 258.2
  },
  "luminance": 0.11407
}

Semantic roles & 50–950 ramp

primary

#215DB3

secondary

#CAA166

accent

#A43CEC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #215DB3

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

Preview Lab → · Contrast checker → · Palette generator →