#2117B3#2117B3

#2117B3 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.2% C 0.223 H 270.4°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#2117B3
RGB	rgb(33, 23, 179)
HSL	hsl(244, 77%, 40%)
HSV	hsv(244, 87%, 70%)
CMYK	cmyk(81.6%, 87.2%, 0%, 29.8%)
CIE-LAB	lab(24.29, 54.81, -77.24)
CIE-LCH	lch(24.29, 94.71, 305.36°)
OKLab	oklab(37.18% 0.0014 -0.2234)
OKLCH	oklch(37.18% 0.223 270.4)
XYZ	xyz(9.0675, 4.1897, 42.9699)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2117B3 #A9B317

analogous

#175BB3 #2117B3 #6F17B3

triadic

#2117B3 #B32117 #17B321

tetradic

#2117B3 #B3175B #A9B317 #17B36F

square

#2117B3 #B3175B #A9B317 #17B36F

split-complementary

#2117B3 #B36F17 #5BB317

monochromatic

#0D0947 #17107D #2117B3 #3124E3 #645BEA

Accessibility & contrast

On white

11.42

#2117B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2117B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2117B3

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2117B3	#FFFFFF	#000000	##FFFFFF
##2117B3	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2117b3;
/* rgb */ color: rgb(33, 23, 179);
/* oklch */ color: oklch(37.2% 0.223 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a5bcb',
    500: '#2117b3',
    950: '#000000',
  },
}

SCSS

$custom: #2117b3;
$custom-light: #7a5bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2117b3",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 179
  },
  "hsl": {
    "h": 243.846,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37179,
    "c": 0.22341,
    "h": 270.4
  },
  "luminance": 0.04191
}

Semantic roles & 50–950 ramp

primary

#2117B3

secondary

#C6CD58

accent

#F434E7

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2117B3

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

Preview Lab → · Contrast checker → · Palette generator →