#2148A4#2148A4

#2148A4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.155 H 263.8°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2148A4
RGB	rgb(33, 72, 164)
HSL	hsl(222, 66%, 39%)
HSV	hsv(222, 80%, 64%)
CMYK	cmyk(79.9%, 56.1%, 0%, 35.7%)
CIE-LAB	lab(33.22, 21.06, -53.54)
CIE-LCH	lch(33.22, 57.54, 291.47°)
OKLab	oklab(43.18% -0.0169 -0.1545)
OKLCH	oklch(43.18% 0.155 263.8)
XYZ	xyz(9.6430, 7.6373, 36.0807)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2148A4 #A47D21

analogous

#2189A4 #2148A4 #3B21A4

triadic

#2148A4 #A42148 #48A421

tetradic

#2148A4 #A42189 #A47D21 #21A43B

square

#2148A4 #A42189 #A47D21 #21A43B

split-complementary

#2148A4 #A43B21 #89A421

monochromatic

#0C1B3E #173271 #2148A4 #2D5FD5 #6086DF

Accessibility & contrast

On white

8.31

#2148A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2148A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2148A4

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2148A4	#FFFFFF	#000000	##FFFFFF
##2148A4	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2148a4;
/* rgb */ color: rgb(33, 72, 164);
/* oklch */ color: oklch(43.2% 0.155 263.8);

Tailwind

colors: {
  custom: {
    50: '#727ac0',
    500: '#2148a4',
    950: '#000000',
  },
}

SCSS

$custom: #2148a4;
$custom-light: #727ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2148a4",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 164
  },
  "hsl": {
    "h": 222.137,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4318,
    "c": 0.15543,
    "h": 263.8
  },
  "luminance": 0.07638
}

Semantic roles & 50–950 ramp

primary

#2148A4

secondary

#C4A55D

accent

#B63EE9

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2148A4

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

Preview Lab → · Contrast checker → · Palette generator →