#2351A8#2351A8

#2351A8 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.5% C 0.149 H 261.6°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#2351A8
RGB	rgb(35, 81, 168)
HSL	hsl(219, 66%, 40%)
HSV	hsv(219, 79%, 66%)
CMYK	cmyk(79.2%, 51.8%, 0%, 34.1%)
CIE-LAB	lab(36.12, 16.80, -51.23)
CIE-LCH	lch(36.12, 53.92, 288.15°)
OKLab	oklab(45.49% -0.0218 -0.1475)
OKLCH	oklch(45.49% 0.149 261.6)
XYZ	xyz(10.7009, 9.0681, 38.2245)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2351A8 #A87A23

analogous

#2394A8 #2351A8 #3823A8

triadic

#2351A8 #A82351 #51A823

tetradic

#2351A8 #A82394 #A87A23 #23A838

square

#2351A8 #A82394 #A87A23 #23A838

split-complementary

#2351A8 #A83823 #94A823

monochromatic

#0E2043 #183975 #2351A8 #346BD5 #6690DF

Accessibility & contrast

On white

7.46

#2351A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#2351A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2351A8

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2351A8	#FFFFFF	#000000	##FFFFFF
##2351A8	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185BAB

Deuteranopia (green-blind)

#004FA6

Tritanopia (blue-blind)

#006674

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2351a8;
/* rgb */ color: rgb(35, 81, 168);
/* oklch */ color: oklch(45.5% 0.149 261.6);

Tailwind

colors: {
  custom: {
    50: '#7381c2',
    500: '#2351a8',
    950: '#000000',
  },
}

SCSS

$custom: #2351a8;
$custom-light: #7381c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2351a8",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 168
  },
  "hsl": {
    "h": 219.248,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.45494,
    "c": 0.14911,
    "h": 261.6
  },
  "luminance": 0.09069
}

Semantic roles & 50–950 ramp

primary

#2351A8

secondary

#C5A362

accent

#AE3FE8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2351A8

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

Preview Lab → · Contrast checker → · Palette generator →