#2154B2#2154B2

#2154B2 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.160 H 261.3°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#2154B2
RGB	rgb(33, 84, 178)
HSL	hsl(219, 69%, 41%)
HSV	hsv(219, 81%, 70%)
CMYK	cmyk(81.5%, 52.8%, 0%, 30.2%)
CIE-LAB	lab(37.62, 18.52, -54.73)
CIE-LCH	lch(37.62, 57.78, 288.70°)
OKLab	oklab(46.85% -0.0241 -0.1578)
OKLCH	oklch(46.85% 0.16 261.3)
XYZ	xyz(11.8305, 9.8769, 43.3938)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2154B2 #B27F21

analogous

#219DB2 #2154B2 #3721B2

triadic

#2154B2 #B22154 #54B221

tetradic

#2154B2 #B2219D #B27F21 #21B237

square

#2154B2 #B2219D #B27F21 #21B237

split-complementary

#2154B2 #B23721 #9DB221

monochromatic

#0E234B #173C7E #2154B2 #3670DA #6A95E3

Accessibility & contrast

On white

7.06

#2154B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2154B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2154B2

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2154B2	#FFFFFF	#000000	##FFFFFF
##2154B2	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E5FB5

Deuteranopia (green-blind)

#0052B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2154b2;
/* rgb */ color: rgb(33, 84, 178);
/* oklch */ color: oklch(46.9% 0.160 261.3);

Tailwind

colors: {
  custom: {
    50: '#7583ca',
    500: '#2154b2',
    950: '#000000',
  },
}

SCSS

$custom: #2154b2;
$custom-light: #7583ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2154b2",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 178
  },
  "hsl": {
    "h": 218.897,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.46852,
    "c": 0.1596,
    "h": 261.3
  },
  "luminance": 0.09878
}

Semantic roles & 50–950 ramp

primary

#2154B2

secondary

#C9A666

accent

#AE3CEC

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2154B2

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

Preview Lab → · Contrast checker → · Palette generator →