#2159B2#2159B2

#2159B2 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.153 H 259.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#2159B2
RGB	rgb(33, 89, 178)
HSL	hsl(217, 69%, 41%)
HSV	hsv(217, 81%, 70%)
CMYK	cmyk(81.5%, 50%, 0%, 30.2%)
CIE-LAB	lab(39.04, 15.21, -52.44)
CIE-LCH	lch(39.04, 54.60, 286.17°)
OKLab	oklab(47.94% -0.0278 -0.1509)
OKLCH	oklch(47.94% 0.153 259.6)
XYZ	xyz(12.2325, 10.6810, 43.5278)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2159B2 #B27A21

analogous

#21A2B2 #2159B2 #3221B2

triadic

#2159B2 #B22159 #59B221

tetradic

#2159B2 #B221A2 #B27A21 #21B232

square

#2159B2 #B221A2 #B27A21 #21B232

split-complementary

#2159B2 #B23221 #A2B221

monochromatic

#0E254B #173F7E #2159B2 #3676DA #6A99E3

Accessibility & contrast

On white

6.70

#2159B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2159B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2159B2

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2159B2	#FFFFFF	#000000	##FFFFFF
##2159B2	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2263B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2159b2;
/* rgb */ color: rgb(33, 89, 178);
/* oklch */ color: oklch(47.9% 0.153 259.6);

Tailwind

colors: {
  custom: {
    50: '#7587ca',
    500: '#2159b2',
    950: '#000000',
  },
}

SCSS

$custom: #2159b2;
$custom-light: #7587ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2159b2",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 178
  },
  "hsl": {
    "h": 216.828,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47935,
    "c": 0.15346,
    "h": 259.6
  },
  "luminance": 0.10682
}

Semantic roles & 50–950 ramp

primary

#2159B2

secondary

#C9A366

accent

#A83CEC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2159B2

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

Preview Lab → · Contrast checker → · Palette generator →