#1A5FB3#1A5FB3

#1A5FB3 is a mid, vivid cyan. Relative luminance 0.117; OKLCH L 49.2% C 0.149 H 256.2°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#1A5FB3
RGB	rgb(26, 95, 179)
HSL	hsl(213, 75%, 40%)
HSV	hsv(213, 85%, 70%)
CMYK	cmyk(85.5%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(40.67, 11.05, -50.41)
CIE-LCH	lch(40.67, 51.61, 282.36°)
OKLab	oklab(49.16% -0.0357 -0.1449)
OKLCH	oklch(49.16% 0.149 256.2)
XYZ	xyz(12.6519, 11.6571, 44.2223)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5FB3 #B36E1A

analogous

#1AABB3 #1A5FB3 #211AB3

triadic

#1A5FB3 #B31A5F #5FB31A

tetradic

#1A5FB3 #B31AAB #B36E1A #1AB321

square

#1A5FB3 #B31AAB #B36E1A #1AB321

split-complementary

#1A5FB3 #B3211A #ABB31A

monochromatic

#0A2648 #12437E #1A5FB3 #2A7CE0 #609DE8

Accessibility & contrast

On white

6.30

#1A5FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#1A5FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5FB3

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5FB3	#FFFFFF	#000000	##FFFFFF
##1A5FB3	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3067B6

Deuteranopia (green-blind)

#005AB1

Tritanopia (blue-blind)

#007380

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #1a5fb3;
/* rgb */ color: rgb(26, 95, 179);
/* oklch */ color: oklch(49.2% 0.149 256.2);

Tailwind

colors: {
  custom: {
    50: '#738bca',
    500: '#1a5fb3',
    950: '#000000',
  },
}

SCSS

$custom: #1a5fb3;
$custom-light: #738bca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5fb3",
  "rgb": {
    "r": 26,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 212.941,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4916,
    "c": 0.14924,
    "h": 256.2
  },
  "luminance": 0.11659
}

Semantic roles & 50–950 ramp

primary

#1A5FB3

secondary

#CC9A5D

accent

#9D37F1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1A5FB3

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

Preview Lab → · Contrast checker → · Palette generator →