#2456B1#2456B1

#2456B1 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.3% C 0.155 H 261.2°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2456B1
RGB	rgb(36, 86, 177)
HSL	hsl(219, 66%, 42%)
HSV	hsv(219, 80%, 69%)
CMYK	cmyk(79.7%, 51.4%, 0%, 30.6%)
CIE-LAB	lab(38.21, 17.11, -53.19)
CIE-LCH	lch(38.21, 55.87, 287.83°)
OKLab	oklab(47.3% -0.0238 -0.1532)
OKLCH	oklch(47.3% 0.155 261.2)
XYZ	xyz(11.9883, 10.2036, 42.9241)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2456B1 #B17F24

analogous

#249DB1 #2456B1 #3824B1

triadic

#2456B1 #B12456 #56B124

tetradic

#2456B1 #B1249D #B17F24 #24B138

square

#2456B1 #B1249D #B17F24 #24B138

split-complementary

#2456B1 #B13824 #9DB124

monochromatic

#0F254B #1A3D7E #2456B1 #3B72D7 #6E97E1

Accessibility & contrast

On white

6.91

#2456B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2456B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2456B1

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2456B1	#FFFFFF	#000000	##FFFFFF
##2456B1	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A61B4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2456b1;
/* rgb */ color: rgb(36, 86, 177);
/* oklch */ color: oklch(47.3% 0.155 261.2);

Tailwind

colors: {
  custom: {
    50: '#7585c9',
    500: '#2456b1',
    950: '#000000',
  },
}

SCSS

$custom: #2456b1;
$custom-light: #7585c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2456b1",
  "rgb": {
    "r": 36,
    "g": 86,
    "b": 177
  },
  "hsl": {
    "h": 218.723,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47302,
    "c": 0.155,
    "h": 261.2
  },
  "luminance": 0.10205
}

Semantic roles & 50–950 ramp

primary

#2456B1

secondary

#C8A669

accent

#AD3FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2456B1

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

Preview Lab → · Contrast checker → · Palette generator →