#2455B3#2455B3

#2455B3 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.159 H 261.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2455B3
RGB	rgb(36, 85, 179)
HSL	hsl(219, 67%, 42%)
HSV	hsv(219, 80%, 70%)
CMYK	cmyk(79.9%, 52.5%, 0%, 29.8%)
CIE-LAB	lab(38.07, 18.55, -54.60)
CIE-LCH	lch(38.07, 57.66, 288.77°)
OKLab	oklab(47.24% -0.0228 -0.1573)
OKLCH	oklch(47.24% 0.159 261.7)
XYZ	xyz(12.1098, 10.1253, 43.9552)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2455B3 #B38224

analogous

#249CB3 #2455B3 #3B24B3

triadic

#2455B3 #B32455 #55B324

tetradic

#2455B3 #B3249C #B38224 #24B33B

square

#2455B3 #B3249C #B38224 #24B33B

split-complementary

#2455B3 #B33B24 #9CB324

monochromatic

#10254D #1A3D80 #2455B3 #3C72D8 #6F97E2

Accessibility & contrast

On white

6.94

#2455B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2455B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2455B3

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2455B3	#FFFFFF	#000000	##FFFFFF
##2455B3	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1260B6

Deuteranopia (green-blind)

#0053B1

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2455b3;
/* rgb */ color: rgb(36, 85, 179);
/* oklch */ color: oklch(47.2% 0.159 261.7);

Tailwind

colors: {
  custom: {
    50: '#7684ca',
    500: '#2455b3',
    950: '#000000',
  },
}

SCSS

$custom: #2455b3;
$custom-light: #7684ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2455b3",
  "rgb": {
    "r": 36,
    "g": 85,
    "b": 179
  },
  "hsl": {
    "h": 219.441,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.47241,
    "c": 0.15896,
    "h": 261.7
  },
  "luminance": 0.10127
}

Semantic roles & 50–950 ramp

primary

#2455B3

secondary

#C9A86A

accent

#AF3EE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2455B3

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

Preview Lab → · Contrast checker → · Palette generator →