#1A65B3#1A65B3

#1A65B3 is a mid, vivid cyan. Relative luminance 0.128; OKLCH L 50.5% C 0.142 H 253.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A65B3
RGB	rgb(26, 101, 179)
HSL	hsl(211, 75%, 40%)
HSV	hsv(211, 85%, 70%)
CMYK	cmyk(85.5%, 43.6%, 0%, 29.8%)
CIE-LAB	lab(42.43, 7.16, -47.58)
CIE-LCH	lch(42.43, 48.12, 278.56°)
OKLab	oklab(50.53% -0.0403 -0.1364)
OKLCH	oklch(50.53% 0.142 253.5)
XYZ	xyz(13.2133, 12.7800, 44.4095)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A65B3 #B3681A

analogous

#1AB2B3 #1A65B3 #1B1AB3

triadic

#1A65B3 #B31A65 #65B31A

tetradic

#1A65B3 #B31AB2 #B3681A #1AB31B

square

#1A65B3 #B31AB2 #B3681A #1AB31B

split-complementary

#1A65B3 #B31B1A #B2B31A

monochromatic

#0A2948 #12477E #1A65B3 #2A83E0 #60A2E8

Accessibility & contrast

On white

5.90

#1A65B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#1A65B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A65B3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A65B3	#FFFFFF	#000000	##FFFFFF
##1A65B3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6BB6

Deuteranopia (green-blind)

#1E5EB1

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1a65b3;
/* rgb */ color: rgb(26, 101, 179);
/* oklch */ color: oklch(50.5% 0.142 253.5);

Tailwind

colors: {
  custom: {
    50: '#7390ca',
    500: '#1a65b3',
    950: '#000000',
  },
}

SCSS

$custom: #1a65b3;
$custom-light: #7390ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a65b3",
  "rgb": {
    "r": 26,
    "g": 101,
    "b": 179
  },
  "hsl": {
    "h": 210.588,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50527,
    "c": 0.14228,
    "h": 253.5
  },
  "luminance": 0.12782
}

Semantic roles & 50–950 ramp

primary

#1A65B3

secondary

#CC955D

accent

#9637F1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1A65B3

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

Preview Lab → · Contrast checker → · Palette generator →