#2565B0#2565B0

#2565B0 is a mid, vivid cyan. Relative luminance 0.128; OKLCH L 50.6% C 0.135 H 254.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#2565B0
RGB	rgb(37, 101, 176)
HSL	hsl(212, 65%, 42%)
HSV	hsv(212, 79%, 69%)
CMYK	cmyk(79%, 42.6%, 0%, 31%)
CIE-LAB	lab(42.51, 7.05, -45.68)
CIE-LCH	lch(42.51, 46.22, 278.78°)
OKLab	oklab(50.61% -0.0355 -0.1307)
OKLCH	oklch(50.61% 0.135 254.8)
XYZ	xyz(13.2502, 12.8337, 42.8447)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2565B0 #B07025

analogous

#25ABB0 #2565B0 #2B25B0

triadic

#2565B0 #B02565 #65B025

tetradic

#2565B0 #B025AB #B07025 #25B02B

square

#2565B0 #B025AB #B07025 #25B02B

split-complementary

#2565B0 #B02B25 #ABB025

monochromatic

#102B4B #1A487D #2565B0 #3C83D6 #6FA3E1

Accessibility & contrast

On white

5.89

#2565B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2565B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2565B0

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2565B0	#FFFFFF	#000000	##FFFFFF
##2565B0	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406BB3

Deuteranopia (green-blind)

#265FAF

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2565b0;
/* rgb */ color: rgb(37, 101, 176);
/* oklch */ color: oklch(50.6% 0.135 254.8);

Tailwind

colors: {
  custom: {
    50: '#7590c8',
    500: '#2565b0',
    950: '#000000',
  },
}

SCSS

$custom: #2565b0;
$custom-light: #7590c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2565b0",
  "rgb": {
    "r": 37,
    "g": 101,
    "b": 176
  },
  "hsl": {
    "h": 212.374,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50608,
    "c": 0.13548,
    "h": 254.8
  },
  "luminance": 0.12835
}

Semantic roles & 50–950 ramp

primary

#2565B0

secondary

#C79C6A

accent

#9B40E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2565B0

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

Preview Lab → · Contrast checker → · Palette generator →