#1963B4#1963B4

#1963B4 is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 50.1% C 0.146 H 254.5°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#1963B4
RGB	rgb(25, 99, 180)
HSL	hsl(211, 76%, 40%)
HSV	hsv(211, 86%, 71%)
CMYK	cmyk(86.1%, 45%, 0%, 29.4%)
CIE-LAB	lab(41.88, 8.77, -49.04)
CIE-LCH	lch(41.88, 49.82, 280.14°)
OKLab	oklab(50.12% -0.0389 -0.1408)
OKLCH	oklch(50.12% 0.146 254.5)
XYZ	xyz(13.0979, 12.4240, 44.8789)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1963B4 #B46A19

analogous

#19B0B4 #1963B4 #1D19B4

triadic

#1963B4 #B41963 #63B419

tetradic

#1963B4 #B419B0 #B46A19 #19B41D

square

#1963B4 #B419B0 #B46A19 #19B41D

split-complementary

#1963B4 #B41D19 #B0B419

monochromatic

#0A2849 #12457E #1963B4 #2981E1 #5FA1E9

Accessibility & contrast

On white

6.03

#1963B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#1963B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1963B4

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1963B4	#FFFFFF	#000000	##FFFFFF
##1963B4	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386AB7

Deuteranopia (green-blind)

#145DB2

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1963b4;
/* rgb */ color: rgb(25, 99, 180);
/* oklch */ color: oklch(50.1% 0.146 254.5);

Tailwind

colors: {
  custom: {
    50: '#738ecb',
    500: '#1963b4',
    950: '#000000',
  },
}

SCSS

$custom: #1963b4;
$custom-light: #738ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#1963b4",
  "rgb": {
    "r": 25,
    "g": 99,
    "b": 180
  },
  "hsl": {
    "h": 211.355,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50116,
    "c": 0.1461,
    "h": 254.5
  },
  "luminance": 0.12426
}

Semantic roles & 50–950 ramp

primary

#1963B4

secondary

#CD975C

accent

#9836F2

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1963B4

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

Preview Lab → · Contrast checker → · Palette generator →