#2561BD#2561BD

#2561BD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.6% C 0.158 H 259.1°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#2561BD
RGB	rgb(37, 97, 189)
HSL	hsl(216, 67%, 44%)
HSV	hsv(216, 80%, 74%)
CMYK	cmyk(80.4%, 48.7%, 0%, 25.9%)
CIE-LAB	lab(42.18, 14.67, -53.81)
CIE-LCH	lch(42.18, 55.77, 285.25°)
OKLab	oklab(50.61% -0.0299 -0.1547)
OKLCH	oklch(50.61% 0.158 259.1)
XYZ	xyz(14.2196, 12.6151, 49.8198)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2561BD #BD8125

analogous

#25ADBD #2561BD #3525BD

triadic

#2561BD #BD2561 #61BD25

tetradic

#2561BD #BD25AD #BD8125 #25BD35

square

#2561BD #BD25AD #BD8125 #25BD35

split-complementary

#2561BD #BD3525 #ADBD25

monochromatic

#112C57 #1B478A #2561BD #4580DB #78A3E5

Accessibility & contrast

On white

5.96

#2561BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#2561BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2561BD

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2561BD	#FFFFFF	#000000	##FFFFFF
##2561BD	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6BC0

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2561bd;
/* rgb */ color: rgb(37, 97, 189);
/* oklch */ color: oklch(50.6% 0.158 259.1);

Tailwind

colors: {
  custom: {
    50: '#788dd1',
    500: '#2561bd',
    950: '#000000',
  },
}

SCSS

$custom: #2561bd;
$custom-light: #788dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2561bd",
  "rgb": {
    "r": 37,
    "g": 97,
    "b": 189
  },
  "hsl": {
    "h": 216.316,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50614,
    "c": 0.15759,
    "h": 259.1
  },
  "luminance": 0.12617
}

Semantic roles & 50–950 ramp

primary

#2561BD

secondary

#CCA872

accent

#A63EEA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2561BD

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

Preview Lab → · Contrast checker → · Palette generator →