#2351AA#2351AA

#2351AA is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.152 H 261.9°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#2351AA
RGB	rgb(35, 81, 170)
HSL	hsl(220, 66%, 40%)
HSV	hsv(220, 79%, 67%)
CMYK	cmyk(79.4%, 52.4%, 0%, 33.3%)
CIE-LAB	lab(36.26, 17.59, -52.19)
CIE-LCH	lch(36.26, 55.08, 288.62°)
OKLab	oklab(45.65% -0.0215 -0.1503)
OKLCH	oklch(45.65% 0.152 261.9)
XYZ	xyz(10.8887, 9.1432, 39.2134)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2351AA #AA7C23

analogous

#2394AA #2351AA #3923AA

triadic

#2351AA #AA2351 #51AA23

tetradic

#2351AA #AA2394 #AA7C23 #23AA39

square

#2351AA #AA2394 #AA7C23 #23AA39

split-complementary

#2351AA #AA3923 #94AA23

monochromatic

#0E2144 #193977 #2351AA #356CD5 #6891E0

Accessibility & contrast

On white

7.42

#2351AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2351AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2351AA

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2351AA	#FFFFFF	#000000	##FFFFFF
##2351AA	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145CAD

Deuteranopia (green-blind)

#004FA8

Tritanopia (blue-blind)

#006775

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2351aa;
/* rgb */ color: rgb(35, 81, 170);
/* oklch */ color: oklch(45.6% 0.152 261.9);

Tailwind

colors: {
  custom: {
    50: '#7481c4',
    500: '#2351aa',
    950: '#000000',
  },
}

SCSS

$custom: #2351aa;
$custom-light: #7481c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2351aa",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 170
  },
  "hsl": {
    "h": 219.556,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45649,
    "c": 0.15187,
    "h": 261.9
  },
  "luminance": 0.09144
}

Semantic roles & 50–950 ramp

primary

#2351AA

secondary

#C6A463

accent

#AF3FE9

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2351AA

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

Preview Lab → · Contrast checker → · Palette generator →