#1A5AB3#1A5AB3

#1A5AB3 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 48.0% C 0.155 H 258.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#1A5AB3
RGB	rgb(26, 90, 179)
HSL	hsl(215, 75%, 40%)
HSV	hsv(215, 85%, 70%)
CMYK	cmyk(85.5%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(39.22, 14.33, -52.75)
CIE-LCH	lch(39.22, 54.66, 285.19°)
OKLab	oklab(48.04% -0.032 -0.1519)
OKLCH	oklch(48.04% 0.155 258.1)
XYZ	xyz(12.2158, 10.7851, 44.0770)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5AB3 #B3731A

analogous

#1AA6B3 #1A5AB3 #271AB3

triadic

#1A5AB3 #B31A5A #5AB31A

tetradic

#1A5AB3 #B31AA6 #B3731A #1AB327

square

#1A5AB3 #B31AA6 #B3731A #1AB327

split-complementary

#1A5AB3 #B3271A #A6B31A

monochromatic

#0A2448 #123F7E #1A5AB3 #2A76E0 #6099E8

Accessibility & contrast

On white

6.65

#1A5AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1A5AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5AB3

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5AB3	#FFFFFF	#000000	##FFFFFF
##1A5AB3	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2364B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1a5ab3;
/* rgb */ color: rgb(26, 90, 179);
/* oklch */ color: oklch(48.0% 0.155 258.1);

Tailwind

colors: {
  custom: {
    50: '#7387ca',
    500: '#1a5ab3',
    950: '#000000',
  },
}

SCSS

$custom: #1a5ab3;
$custom-light: #7387ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5ab3",
  "rgb": {
    "r": 26,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 214.902,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48043,
    "c": 0.15524,
    "h": 258.1
  },
  "luminance": 0.10787
}

Semantic roles & 50–950 ramp

primary

#1A5AB3

secondary

#CC9D5D

accent

#A337F1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1A5AB3

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

Preview Lab → · Contrast checker → · Palette generator →