#2560B3#2560B3

#2560B3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.145 H 257.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#2560B3
RGB	rgb(37, 96, 179)
HSL	hsl(215, 66%, 42%)
HSV	hsv(215, 79%, 70%)
CMYK	cmyk(79.3%, 46.4%, 0%, 29.8%)
CIE-LAB	lab(41.24, 11.43, -49.48)
CIE-LCH	lch(41.24, 50.79, 283.01°)
OKLab	oklab(49.68% -0.0307 -0.142)
OKLCH	oklch(49.68% 0.145 257.8)
XYZ	xyz(13.0795, 12.0122, 44.2683)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2560B3 #B37825

analogous

#25A7B3 #2560B3 #3125B3

triadic

#2560B3 #B32560 #60B325

tetradic

#2560B3 #B325A7 #B37825 #25B331

square

#2560B3 #B325A7 #B37825 #25B331

split-complementary

#2560B3 #B33125 #A7B325

monochromatic

#102A4E #1B4580 #2560B3 #3E7ED7 #71A0E2

Accessibility & contrast

On white

6.17

#2560B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#2560B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2560B3

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2560B3	#FFFFFF	#000000	##FFFFFF
##2560B3	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3368B6

Deuteranopia (green-blind)

#0F5BB1

Tritanopia (blue-blind)

#007481

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2560b3;
/* rgb */ color: rgb(37, 96, 179);
/* oklch */ color: oklch(49.7% 0.145 257.8);

Tailwind

colors: {
  custom: {
    50: '#768cca',
    500: '#2560b3',
    950: '#000000',
  },
}

SCSS

$custom: #2560b3;
$custom-light: #768cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2560b3",
  "rgb": {
    "r": 37,
    "g": 96,
    "b": 179
  },
  "hsl": {
    "h": 215.07,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49679,
    "c": 0.14532,
    "h": 257.8
  },
  "luminance": 0.12014
}

Semantic roles & 50–950 ramp

primary

#2560B3

secondary

#C8A26B

accent

#A23FE9

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2560B3

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

Preview Lab → · Contrast checker → · Palette generator →