#1963B3#1963B3

#1963B3 is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 50.0% C 0.145 H 254.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1963B3
RGB	rgb(25, 99, 179)
HSL	hsl(211, 75%, 40%)
HSV	hsv(211, 86%, 70%)
CMYK	cmyk(86%, 44.7%, 0%, 29.8%)
CIE-LAB	lab(41.82, 8.37, -48.56)
CIE-LCH	lch(41.82, 49.28, 279.78°)
OKLab	oklab(50.05% -0.0392 -0.1394)
OKLCH	oklch(50.05% 0.145 254.3)
XYZ	xyz(12.9964, 12.3834, 44.3443)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1963B3 #B36919

analogous

#19B0B3 #1963B3 #1C19B3

triadic

#1963B3 #B31963 #63B319

tetradic

#1963B3 #B319B0 #B36919 #19B31C

square

#1963B3 #B319B0 #B36919 #19B31C

split-complementary

#1963B3 #B31C19 #B0B319

monochromatic

#0A2848 #12457D #1963B3 #2881E1 #5EA0E8

Accessibility & contrast

On white

6.04

#1963B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#1963B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1963B3

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1963B3	#FFFFFF	#000000	##FFFFFF
##1963B3	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396AB6

Deuteranopia (green-blind)

#165CB1

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1963b3;
/* rgb */ color: rgb(25, 99, 179);
/* oklch */ color: oklch(50.0% 0.145 254.3);

Tailwind

colors: {
  custom: {
    50: '#738eca',
    500: '#1963b3',
    950: '#000000',
  },
}

SCSS

$custom: #1963b3;
$custom-light: #738eca;
$custom-dark: #000000;

JSON

{
  "hex": "#1963b3",
  "rgb": {
    "r": 25,
    "g": 99,
    "b": 179
  },
  "hsl": {
    "h": 211.169,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.50047,
    "c": 0.14478,
    "h": 254.3
  },
  "luminance": 0.12385
}

Semantic roles & 50–950 ramp

primary

#1963B3

secondary

#CC965B

accent

#9836F2

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #1963B3

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

Preview Lab → · Contrast checker → · Palette generator →