#215AB3#215AB3

#215AB3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.154 H 259.4°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#215AB3
RGB	rgb(33, 90, 179)
HSL	hsl(217, 69%, 42%)
HSV	hsv(217, 82%, 70%)
CMYK	cmyk(81.6%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(39.39, 14.94, -52.46)
CIE-LCH	lch(39.39, 54.54, 285.90°)
OKLab	oklab(48.23% -0.0284 -0.1509)
OKLCH	oklch(48.23% 0.154 259.4)
XYZ	xyz(12.4171, 10.8888, 44.0864)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#215AB3 #B37A21

analogous

#21A3B3 #215AB3 #3121B3

triadic

#215AB3 #B3215A #5AB321

tetradic

#215AB3 #B321A3 #B37A21 #21B331

square

#215AB3 #B321A3 #B37A21 #21B331

split-complementary

#215AB3 #B33121 #A3B321

monochromatic

#0E264C #17407F #215AB3 #3777DA #6B9AE4

Accessibility & contrast

On white

6.61

#215AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#215AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #215AB3

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##215AB3	#FFFFFF	#000000	##FFFFFF
##215AB3	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2464B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #215ab3;
/* rgb */ color: rgb(33, 90, 179);
/* oklch */ color: oklch(48.2% 0.154 259.4);

Tailwind

colors: {
  custom: {
    50: '#7588ca',
    500: '#215ab3',
    950: '#000000',
  },
}

SCSS

$custom: #215ab3;
$custom-light: #7588ca;
$custom-dark: #000000;

JSON

{
  "hex": "#215ab3",
  "rgb": {
    "r": 33,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 216.575,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48229,
    "c": 0.15359,
    "h": 259.4
  },
  "luminance": 0.1089
}

Semantic roles & 50–950 ramp

primary

#215AB3

secondary

#CAA366

accent

#A73CEC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #215AB3

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

Preview Lab → · Contrast checker → · Palette generator →