#2455B1#2455B1

#2455B1 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.1% C 0.156 H 261.5°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#2455B1
RGB	rgb(36, 85, 177)
HSL	hsl(219, 66%, 42%)
HSV	hsv(219, 80%, 69%)
CMYK	cmyk(79.7%, 52%, 0%, 30.6%)
CIE-LAB	lab(37.92, 17.77, -53.65)
CIE-LCH	lch(37.92, 56.51, 288.33°)
OKLab	oklab(47.09% -0.023 -0.1545)
OKLCH	oklch(47.09% 0.156 261.5)
XYZ	xyz(11.9090, 10.0450, 42.8977)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2455B1 #B18024

analogous

#249CB1 #2455B1 #3A24B1

triadic

#2455B1 #B12455 #55B124

tetradic

#2455B1 #B1249C #B18024 #24B13A

square

#2455B1 #B1249C #B18024 #24B13A

split-complementary

#2455B1 #B13A24 #9CB124

monochromatic

#0F244B #1A3D7E #2455B1 #3B71D7 #6E96E1

Accessibility & contrast

On white

6.98

#2455B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2455B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2455B1

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2455B1	#FFFFFF	#000000	##FFFFFF
##2455B1	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1660B4

Deuteranopia (green-blind)

#0053AF

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2455b1;
/* rgb */ color: rgb(36, 85, 177);
/* oklch */ color: oklch(47.1% 0.156 261.5);

Tailwind

colors: {
  custom: {
    50: '#7584c9',
    500: '#2455b1',
    950: '#000000',
  },
}

SCSS

$custom: #2455b1;
$custom-light: #7584c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2455b1",
  "rgb": {
    "r": 36,
    "g": 85,
    "b": 177
  },
  "hsl": {
    "h": 219.149,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47086,
    "c": 0.15623,
    "h": 261.5
  },
  "luminance": 0.10046
}

Semantic roles & 50–950 ramp

primary

#2455B1

secondary

#C8A769

accent

#AE3FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2455B1

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

Preview Lab → · Contrast checker → · Palette generator →