#2154B4#2154B4

#2154B4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.162 H 261.5°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#2154B4
RGB	rgb(33, 84, 180)
HSL	hsl(219, 69%, 42%)
HSV	hsv(219, 82%, 71%)
CMYK	cmyk(81.7%, 53.3%, 0%, 29.4%)
CIE-LAB	lab(37.77, 19.31, -55.67)
CIE-LCH	lch(37.77, 58.93, 289.13°)
OKLab	oklab(47.01% -0.0239 -0.1605)
OKLCH	oklch(47.01% 0.162 261.5)
XYZ	xyz(12.0328, 9.9578, 44.4590)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2154B4 #B48121

analogous

#219EB4 #2154B4 #3821B4

triadic

#2154B4 #B42154 #54B421

tetradic

#2154B4 #B4219E #B48121 #21B438

square

#2154B4 #B4219E #B48121 #21B438

split-complementary

#2154B4 #B43821 #9EB421

monochromatic

#0E244D #183C80 #2154B4 #3870DA #6B95E4

Accessibility & contrast

On white

7.02

#2154B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2154B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2154B4

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2154B4	#FFFFFF	#000000	##FFFFFF
##2154B4	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0760B7

Deuteranopia (green-blind)

#0053B2

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2154b4;
/* rgb */ color: rgb(33, 84, 180);
/* oklch */ color: oklch(47.0% 0.162 261.5);

Tailwind

colors: {
  custom: {
    50: '#7583cb',
    500: '#2154b4',
    950: '#000000',
  },
}

SCSS

$custom: #2154b4;
$custom-light: #7583cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2154b4",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 180
  },
  "hsl": {
    "h": 219.184,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4701,
    "c": 0.16232,
    "h": 261.5
  },
  "luminance": 0.09959
}

Semantic roles & 50–950 ramp

primary

#2154B4

secondary

#CAA867

accent

#AF3CEC

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2154B4

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

Preview Lab → · Contrast checker → · Palette generator →