#2563A7#2563A7

#2563A7 is a mid, vivid cyan. Relative luminance 0.121; OKLCH L 49.6% C 0.126 H 253.4°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#2563A7
RGB	rgb(37, 99, 167)
HSL	hsl(211, 64%, 40%)
HSV	hsv(211, 78%, 65%)
CMYK	cmyk(77.8%, 40.7%, 0%, 34.5%)
CIE-LAB	lab(41.38, 4.86, -42.18)
CIE-LCH	lch(41.38, 42.46, 276.57°)
OKLab	oklab(49.56% -0.0358 -0.1205)
OKLCH	oklch(49.56% 0.126 253.4)
XYZ	xyz(12.1972, 12.1056, 38.2455)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2563A7 #A76925

analogous

#25A4A7 #2563A7 #2825A7

triadic

#2563A7 #A72563 #63A725

tetradic

#2563A7 #A725A4 #A76925 #25A728

square

#2563A7 #A725A4 #A76925 #25A728

split-complementary

#2563A7 #A72825 #A4A725

monochromatic

#0F2843 #1A4575 #2563A7 #3781D3 #69A0DE

Accessibility & contrast

On white

6.14

#2563A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#2563A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2563A7

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2563A7	#FFFFFF	#000000	##FFFFFF
##2563A7	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4268AA

Deuteranopia (green-blind)

#2D5CA6

Tritanopia (blue-blind)

#00737D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2563a7;
/* rgb */ color: rgb(37, 99, 167);
/* oklch */ color: oklch(49.6% 0.126 253.4);

Tailwind

colors: {
  custom: {
    50: '#738ec1',
    500: '#2563a7',
    950: '#000000',
  },
}

SCSS

$custom: #2563a7;
$custom-light: #738ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2563a7",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 167
  },
  "hsl": {
    "h": 211.385,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.49556,
    "c": 0.12571,
    "h": 253.4
  },
  "luminance": 0.12107
}

Semantic roles & 50–950 ramp

primary

#2563A7

secondary

#C49664

accent

#9841E7

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2563A7

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

Preview Lab → · Contrast checker → · Palette generator →