#2451AD#2451AD

#2451AD is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.9% C 0.156 H 262.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#2451AD
RGB	rgb(36, 81, 173)
HSL	hsl(220, 66%, 41%)
HSV	hsv(220, 79%, 68%)
CMYK	cmyk(79.2%, 53.2%, 0%, 32.2%)
CIE-LAB	lab(36.51, 18.87, -53.57)
CIE-LCH	lch(36.51, 56.79, 289.40°)
OKLab	oklab(45.92% -0.0205 -0.1544)
OKLCH	oklch(45.92% 0.156 262.4)
XYZ	xyz(11.2101, 9.2757, 40.7266)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451AD #AD8024

analogous

#2495AD #2451AD #3B24AD

triadic

#2451AD #AD2451 #51AD24

tetradic

#2451AD #AD2495 #AD8024 #24AD3B

square

#2451AD #AD2495 #AD8024 #24AD3B

split-complementary

#2451AD #AD3B24 #95AD24

monochromatic

#0F2248 #19397A #2451AD #396CD6 #6B92E0

Accessibility & contrast

On white

7.35

#2451AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2451AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2451AD

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451AD	#FFFFFF	#000000	##FFFFFF
##2451AD	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C5CB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2451ad;
/* rgb */ color: rgb(36, 81, 173);
/* oklch */ color: oklch(45.9% 0.156 262.4);

Tailwind

colors: {
  custom: {
    50: '#7581c6',
    500: '#2451ad',
    950: '#000000',
  },
}

SCSS

$custom: #2451ad;
$custom-light: #7581c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2451ad",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 173
  },
  "hsl": {
    "h": 220.292,
    "s": 65.55,
    "l": 40.98
  },
  "oklch": {
    "l": 0.45919,
    "c": 0.15572,
    "h": 262.4
  },
  "luminance": 0.09277
}

Semantic roles & 50–950 ramp

primary

#2451AD

secondary

#C6A766

accent

#B13FE9

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2451AD

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

Preview Lab → · Contrast checker → · Palette generator →