#1A55B4#1A55B4

#1A55B4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.163 H 259.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#1A55B4
RGB	rgb(26, 85, 180)
HSL	hsl(217, 75%, 40%)
HSV	hsv(217, 86%, 71%)
CMYK	cmyk(85.6%, 52.8%, 0%, 29.4%)
CIE-LAB	lab(37.86, 18.04, -55.53)
CIE-LCH	lch(37.86, 58.39, 288.00°)
OKLab	oklab(47.03% -0.0285 -0.1602)
OKLCH	oklch(47.03% 0.163 259.9)
XYZ	xyz(11.9097, 10.0104, 44.4757)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A55B4 #B4791A

analogous

#1AA2B4 #1A55B4 #2C1AB4

triadic

#1A55B4 #B41A55 #55B41A

tetradic

#1A55B4 #B41AA2 #B4791A #1AB42C

square

#1A55B4 #B41AA2 #B4791A #1AB42C

split-complementary

#1A55B4 #B42C1A #A2B41A

monochromatic

#0B2249 #123C7F #1A55B4 #2B70E0 #6094E8

Accessibility & contrast

On white

6.99

#1A55B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#1A55B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A55B4

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A55B4	#FFFFFF	#000000	##FFFFFF
##1A55B4	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C60B7

Deuteranopia (green-blind)

#0053B2

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1a55b4;
/* rgb */ color: rgb(26, 85, 180);
/* oklch */ color: oklch(47.0% 0.163 259.9);

Tailwind

colors: {
  custom: {
    50: '#7384cb',
    500: '#1a55b4',
    950: '#000000',
  },
}

SCSS

$custom: #1a55b4;
$custom-light: #7384cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a55b4",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 180
  },
  "hsl": {
    "h": 217.013,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47029,
    "c": 0.1627,
    "h": 259.9
  },
  "luminance": 0.10012
}

Semantic roles & 50–950 ramp

primary

#1A55B4

secondary

#CCA25D

accent

#AA36F1

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1A55B4

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

Preview Lab → · Contrast checker → · Palette generator →