#2154A8#2154A8

#2154A8 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.1% C 0.146 H 260.0°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#2154A8
RGB	rgb(33, 84, 168)
HSL	hsl(217, 67%, 39%)
HSV	hsv(217, 80%, 66%)
CMYK	cmyk(80.4%, 50%, 0%, 34.1%)
CIE-LAB	lab(36.91, 14.58, -49.95)
CIE-LCH	lch(36.91, 52.04, 286.27°)
OKLab	oklab(46.08% -0.0254 -0.1437)
OKLCH	oklch(46.08% 0.146 260)
XYZ	xyz(10.8628, 9.4898, 38.2974)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2154A8 #A87521

analogous

#2198A8 #2154A8 #3121A8

triadic

#2154A8 #A82154 #54A821

tetradic

#2154A8 #A82198 #A87521 #21A831

square

#2154A8 #A82198 #A87521 #21A831

split-complementary

#2154A8 #A83121 #98A821

monochromatic

#0D2142 #173A75 #2154A8 #306FD6 #6392E0

Accessibility & contrast

On white

7.25

#2154A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#2154A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2154A8

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2154A8	#FFFFFF	#000000	##FFFFFF
##2154A8	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215DAB

Deuteranopia (green-blind)

#0051A6

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2154a8;
/* rgb */ color: rgb(33, 84, 168);
/* oklch */ color: oklch(46.1% 0.146 260.0);

Tailwind

colors: {
  custom: {
    50: '#7283c2',
    500: '#2154a8',
    950: '#000000',
  },
}

SCSS

$custom: #2154a8;
$custom-light: #7283c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2154a8",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 168
  },
  "hsl": {
    "h": 217.333,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46084,
    "c": 0.14594,
    "h": 260
  },
  "luminance": 0.09491
}

Semantic roles & 50–950 ramp

primary

#2154A8

secondary

#C59F5F

accent

#A93EEA

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2154A8

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

Preview Lab → · Contrast checker → · Palette generator →