#2154A4#2154A4

#2154A4 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.8% C 0.140 H 259.3°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#2154A4
RGB	rgb(33, 84, 164)
HSL	hsl(217, 66%, 39%)
HSV	hsv(217, 80%, 64%)
CMYK	cmyk(79.9%, 48.8%, 0%, 35.7%)
CIE-LAB	lab(36.64, 13.00, -48.01)
CIE-LCH	lch(36.64, 49.74, 285.15°)
OKLab	oklab(45.79% -0.026 -0.138)
OKLCH	oklch(45.79% 0.14 259.3)
XYZ	xyz(10.4959, 9.3431, 36.3650)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2154A4 #A47121

analogous

#2195A4 #2154A4 #2F21A4

triadic

#2154A4 #A42154 #54A421

tetradic

#2154A4 #A42195 #A47121 #21A42F

square

#2154A4 #A42195 #A47121 #21A42F

split-complementary

#2154A4 #A42F21 #95A421

monochromatic

#0C203E #173A71 #2154A4 #2D6FD5 #6092DF

Accessibility & contrast

On white

7.32

#2154A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2154A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2154A4

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2154A4	#FFFFFF	#000000	##FFFFFF
##2154A4	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265DA7

Deuteranopia (green-blind)

#0051A2

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2154a4;
/* rgb */ color: rgb(33, 84, 164);
/* oklch */ color: oklch(45.8% 0.140 259.3);

Tailwind

colors: {
  custom: {
    50: '#7183bf',
    500: '#2154a4',
    950: '#000000',
  },
}

SCSS

$custom: #2154a4;
$custom-light: #7183bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2154a4",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 164
  },
  "hsl": {
    "h": 216.641,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45786,
    "c": 0.14042,
    "h": 259.3
  },
  "luminance": 0.09344
}

Semantic roles & 50–950 ramp

primary

#2154A4

secondary

#C49C5D

accent

#A73EE9

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2154A4

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

Preview Lab → · Contrast checker → · Palette generator →