#2150A8#2150A8

#2150A8 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.2% C 0.151 H 261.5°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#2150A8
RGB	rgb(33, 80, 168)
HSL	hsl(219, 67%, 39%)
HSV	hsv(219, 80%, 66%)
CMYK	cmyk(80.4%, 52.4%, 0%, 34.1%)
CIE-LAB	lab(35.77, 17.25, -51.80)
CIE-LCH	lch(35.77, 54.60, 288.42°)
OKLab	oklab(45.21% -0.0223 -0.1492)
OKLCH	oklch(45.21% 0.151 261.5)
XYZ	xyz(10.5612, 8.8866, 38.1969)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2150A8 #A87921

analogous

#2194A8 #2150A8 #3621A8

triadic

#2150A8 #A82150 #50A821

tetradic

#2150A8 #A82194 #A87921 #21A836

square

#2150A8 #A82194 #A87921 #21A836

split-complementary

#2150A8 #A83621 #94A821

monochromatic

#0D1F42 #173875 #2150A8 #306AD6 #638FE0

Accessibility & contrast

On white

7.56

#2150A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2150A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2150A8

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2150A8	#FFFFFF	#000000	##FFFFFF
##2150A8	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#135BAB

Deuteranopia (green-blind)

#004EA6

Tritanopia (blue-blind)

#006574

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2150a8;
/* rgb */ color: rgb(33, 80, 168);
/* oklch */ color: oklch(45.2% 0.151 261.5);

Tailwind

colors: {
  custom: {
    50: '#7380c2',
    500: '#2150a8',
    950: '#000000',
  },
}

SCSS

$custom: #2150a8;
$custom-light: #7380c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2150a8",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 168
  },
  "hsl": {
    "h": 219.111,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45209,
    "c": 0.1509,
    "h": 261.5
  },
  "luminance": 0.08888
}

Semantic roles & 50–950 ramp

primary

#2150A8

secondary

#C5A25F

accent

#AE3EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2150A8

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

Preview Lab → · Contrast checker → · Palette generator →