#1A63B3#1A63B3

#1A63B3 is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 50.1% C 0.145 H 254.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1A63B3
RGB	rgb(26, 99, 179)
HSL	hsl(211, 75%, 40%)
HSV	hsv(211, 85%, 70%)
CMYK	cmyk(85.5%, 44.7%, 0%, 29.8%)
CIE-LAB	lab(41.84, 8.45, -48.53)
CIE-LCH	lch(41.84, 49.26, 279.88°)
OKLab	oklab(50.07% -0.0387 -0.1393)
OKLCH	oklch(50.07% 0.145 254.5)
XYZ	xyz(13.0215, 12.3963, 44.3455)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A63B3 #B36A1A

analogous

#1AAFB3 #1A63B3 #1E1AB3

triadic

#1A63B3 #B31A63 #63B31A

tetradic

#1A63B3 #B31AAF #B36A1A #1AB31E

square

#1A63B3 #B31AAF #B36A1A #1AB31E

split-complementary

#1A63B3 #B31E1A #AFB31A

monochromatic

#0A2848 #12457E #1A63B3 #2A81E0 #60A1E8

Accessibility & contrast

On white

6.04

#1A63B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#1A63B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A63B3

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A63B3	#FFFFFF	#000000	##FFFFFF
##1A63B3	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)

#175CB1

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1a63b3;
/* rgb */ color: rgb(26, 99, 179);
/* oklch */ color: oklch(50.1% 0.145 254.5);

Tailwind

colors: {
  custom: {
    50: '#738eca',
    500: '#1a63b3',
    950: '#000000',
  },
}

SCSS

$custom: #1a63b3;
$custom-light: #738eca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a63b3",
  "rgb": {
    "r": 26,
    "g": 99,
    "b": 179
  },
  "hsl": {
    "h": 211.373,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50069,
    "c": 0.14457,
    "h": 254.5
  },
  "luminance": 0.12398
}

Semantic roles & 50–950 ramp

primary

#1A63B3

secondary

#CC975D

accent

#9837F1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1A63B3

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

Preview Lab → · Contrast checker → · Palette generator →