#2154B1#2154B1

#2154B1 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.8% C 0.158 H 261.2°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#2154B1
RGB	rgb(33, 84, 177)
HSL	hsl(219, 69%, 41%)
HSV	hsv(219, 81%, 69%)
CMYK	cmyk(81.4%, 52.5%, 0%, 30.6%)
CIE-LAB	lab(37.55, 18.13, -54.26)
CIE-LCH	lch(37.55, 57.21, 288.48°)
OKLab	oklab(46.77% -0.0242 -0.1564)
OKLCH	oklch(46.77% 0.158 261.2)
XYZ	xyz(11.7305, 9.8369, 42.8669)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2154B1 #B17E21

analogous

#219CB1 #2154B1 #3621B1

triadic

#2154B1 #B12154 #54B121

tetradic

#2154B1 #B1219C #B17E21 #21B136

square

#2154B1 #B1219C #B17E21 #21B136

split-complementary

#2154B1 #B13621 #9CB121

monochromatic

#0E234A #173C7D #2154B1 #3670D9 #6994E3

Accessibility & contrast

On white

7.08

#2154B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2154B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2154B1

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2154B1	#FFFFFF	#000000	##FFFFFF
##2154B1	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#115FB4

Deuteranopia (green-blind)

#0052AF

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2154b1;
/* rgb */ color: rgb(33, 84, 177);
/* oklch */ color: oklch(46.8% 0.158 261.2);

Tailwind

colors: {
  custom: {
    50: '#7583c9',
    500: '#2154b1',
    950: '#000000',
  },
}

SCSS

$custom: #2154b1;
$custom-light: #7583c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2154b1",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 177
  },
  "hsl": {
    "h": 218.75,
    "s": 68.571,
    "l": 41.176
  },
  "oklch": {
    "l": 0.46774,
    "c": 0.15824,
    "h": 261.2
  },
  "luminance": 0.09838
}

Semantic roles & 50–950 ramp

primary

#2154B1

secondary

#C9A565

accent

#AD3CEB

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2154B1

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

Preview Lab → · Contrast checker → · Palette generator →