#2159AF#2159AF

#2159AF is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.7% C 0.149 H 259.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#2159AF
RGB	rgb(33, 89, 175)
HSL	hsl(216, 68%, 41%)
HSV	hsv(216, 81%, 69%)
CMYK	cmyk(81.1%, 49.1%, 0%, 31.4%)
CIE-LAB	lab(38.83, 14.03, -51.00)
CIE-LCH	lch(38.83, 52.90, 285.38°)
OKLab	oklab(47.71% -0.0282 -0.1467)
OKLCH	oklch(47.71% 0.149 259.1)
XYZ	xyz(11.9346, 10.5618, 41.9588)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2159AF #AF7721

analogous

#21A0AF #2159AF #3021AF

triadic

#2159AF #AF2159 #59AF21

tetradic

#2159AF #AF21A0 #AF7721 #21AF30

square

#2159AF #AF21A0 #AF7721 #21AF30

split-complementary

#2159AF #AF3021 #A0AF21

monochromatic

#0E2548 #173F7C #2159AF #3475D9 #6898E3

Accessibility & contrast

On white

6.75

#2159AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2159AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2159AF

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2159AF	#FFFFFF	#000000	##FFFFFF
##2159AF	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2662B2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2159af;
/* rgb */ color: rgb(33, 89, 175);
/* oklch */ color: oklch(47.7% 0.149 259.1);

Tailwind

colors: {
  custom: {
    50: '#7487c7',
    500: '#2159af',
    950: '#000000',
  },
}

SCSS

$custom: #2159af;
$custom-light: #7487c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2159af",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 175
  },
  "hsl": {
    "h": 216.338,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.47712,
    "c": 0.14939,
    "h": 259.1
  },
  "luminance": 0.10563
}

Semantic roles & 50–950 ramp

primary

#2159AF

secondary

#C8A164

accent

#A63DEB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2159AF

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

Preview Lab → · Contrast checker → · Palette generator →