#1A5AB4#1A5AB4

#1A5AB4 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.157 H 258.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1A5AB4
RGB	rgb(26, 90, 180)
HSL	hsl(215, 75%, 40%)
HSV	hsv(215, 86%, 71%)
CMYK	cmyk(85.6%, 50%, 0%, 29.4%)
CIE-LAB	lab(39.29, 14.73, -53.23)
CIE-LCH	lch(39.29, 55.23, 285.46°)
OKLab	oklab(48.12% -0.0319 -0.1533)
OKLCH	oklch(48.12% 0.157 258.2)
XYZ	xyz(12.3173, 10.8257, 44.6115)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5AB4 #B4741A

analogous

#1AA7B4 #1A5AB4 #271AB4

triadic

#1A5AB4 #B41A5A #5AB41A

tetradic

#1A5AB4 #B41AA7 #B4741A #1AB427

square

#1A5AB4 #B41AA7 #B4741A #1AB427

split-complementary

#1A5AB4 #B4271A #A7B41A

monochromatic

#0B2549 #123F7F #1A5AB4 #2B76E0 #6099E8

Accessibility & contrast

On white

6.63

#1A5AB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1A5AB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5AB4

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5AB4	#FFFFFF	#000000	##FFFFFF
##1A5AB4	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2264B7

Deuteranopia (green-blind)

#0056B2

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1a5ab4;
/* rgb */ color: rgb(26, 90, 180);
/* oklch */ color: oklch(48.1% 0.157 258.2);

Tailwind

colors: {
  custom: {
    50: '#7387cb',
    500: '#1a5ab4',
    950: '#000000',
  },
}

SCSS

$custom: #1a5ab4;
$custom-light: #7387cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5ab4",
  "rgb": {
    "r": 26,
    "g": 90,
    "b": 180
  },
  "hsl": {
    "h": 215.065,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48118,
    "c": 0.15658,
    "h": 258.2
  },
  "luminance": 0.10827
}

Semantic roles & 50–950 ramp

primary

#1A5AB4

secondary

#CC9E5D

accent

#A436F1

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1A5AB4

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

Preview Lab → · Contrast checker → · Palette generator →