#2351A9#2351A9

#2351A9 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.150 H 261.7°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#2351A9
RGB	rgb(35, 81, 169)
HSL	hsl(219, 66%, 40%)
HSV	hsv(219, 79%, 66%)
CMYK	cmyk(79.3%, 52.1%, 0%, 33.7%)
CIE-LAB	lab(36.19, 17.19, -51.71)
CIE-LCH	lch(36.19, 54.50, 288.39°)
OKLab	oklab(45.57% -0.0216 -0.1489)
OKLCH	oklch(45.57% 0.151 261.7)
XYZ	xyz(10.7944, 9.1055, 38.7171)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2351A9 #A97B23

analogous

#2394A9 #2351A9 #3823A9

triadic

#2351A9 #A92351 #51A923

tetradic

#2351A9 #A92394 #A97B23 #23A938

square

#2351A9 #A92394 #A97B23 #23A938

split-complementary

#2351A9 #A93823 #94A923

monochromatic

#0E2044 #193976 #2351A9 #346BD5 #6790DF

Accessibility & contrast

On white

7.44

#2351A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2351A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2351A9

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2351A9	#FFFFFF	#000000	##FFFFFF
##2351A9	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165CAC

Deuteranopia (green-blind)

#004FA7

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2351a9;
/* rgb */ color: rgb(35, 81, 169);
/* oklch */ color: oklch(45.6% 0.150 261.7);

Tailwind

colors: {
  custom: {
    50: '#7381c3',
    500: '#2351a9',
    950: '#000000',
  },
}

SCSS

$custom: #2351a9;
$custom-light: #7381c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2351a9",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 169
  },
  "hsl": {
    "h": 219.403,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.45571,
    "c": 0.1505,
    "h": 261.7
  },
  "luminance": 0.09107
}

Semantic roles & 50–950 ramp

primary

#2351A9

secondary

#C5A363

accent

#AE3FE9

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2351A9

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

Preview Lab → · Contrast checker → · Palette generator →