#2561B0#2561B0

#2561B0 is a mid, vivid cyan. Relative luminance 0.121; OKLCH L 49.7% C 0.140 H 256.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#2561B0
RGB	rgb(37, 97, 176)
HSL	hsl(214, 65%, 42%)
HSV	hsv(214, 79%, 69%)
CMYK	cmyk(79%, 44.9%, 0%, 31%)
CIE-LAB	lab(41.34, 9.62, -47.56)
CIE-LCH	lch(41.34, 48.52, 281.44°)
OKLab	oklab(49.7% -0.0321 -0.1363)
OKLCH	oklch(49.7% 0.14 256.7)
XYZ	xyz(12.8712, 12.0758, 42.7184)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2561B0 #B07425

analogous

#25A7B0 #2561B0 #2F25B0

triadic

#2561B0 #B02561 #61B025

tetradic

#2561B0 #B025A7 #B07425 #25B02F

square

#2561B0 #B025A7 #B07425 #25B02F

split-complementary

#2561B0 #B02F25 #A7B025

monochromatic

#10294B #1A457D #2561B0 #3C7FD6 #6FA0E1

Accessibility & contrast

On white

6.15

#2561B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#2561B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2561B0

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2561B0	#FFFFFF	#000000	##FFFFFF
##2561B0	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3868B3

Deuteranopia (green-blind)

#1B5CAE

Tritanopia (blue-blind)

#007480

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2561b0;
/* rgb */ color: rgb(37, 97, 176);
/* oklch */ color: oklch(49.7% 0.140 256.7);

Tailwind

colors: {
  custom: {
    50: '#758dc8',
    500: '#2561b0',
    950: '#000000',
  },
}

SCSS

$custom: #2561b0;
$custom-light: #758dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2561b0",
  "rgb": {
    "r": 37,
    "g": 97,
    "b": 176
  },
  "hsl": {
    "h": 214.101,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49696,
    "c": 0.14008,
    "h": 256.7
  },
  "luminance": 0.12077
}

Semantic roles & 50–950 ramp

primary

#2561B0

secondary

#C79F6A

accent

#9F40E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2561B0

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

Preview Lab → · Contrast checker → · Palette generator →