#155ACA#155ACA

#155ACA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.187 H 260.3°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#155ACA
RGB	rgb(21, 90, 202)
HSL	hsl(217, 81%, 44%)
HSV	hsv(217, 90%, 79%)
CMYK	cmyk(89.6%, 55.4%, 0%, 20.8%)
CIE-LAB	lab(40.79, 23.13, -63.61)
CIE-LCH	lch(40.79, 67.69, 289.98°)
OKLab	oklab(49.75% -0.0314 -0.1839)
OKLCH	oklch(49.75% 0.187 260.3)
XYZ	xyz(14.6222, 11.7341, 57.3599)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155ACA #CA8515

analogous

#15B4CA #155ACA #2A15CA

triadic

#155ACA #CA155A #5ACA15

tetradic

#155ACA #CA15B4 #CA8515 #15CA2A

square

#155ACA #CA15B4 #CA8515 #15CA2A

split-complementary

#155ACA #CA2A15 #B4CA15

monochromatic

#09295B #0F4193 #155ACA #3278EA #6A9DEF

Accessibility & contrast

On white

6.27

#155ACA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#155ACA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #155ACA

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155ACA	#FFFFFF	#000000	##FFFFFF
##155ACA	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #155aca;
/* rgb */ color: rgb(21, 90, 202);
/* oklch */ color: oklch(49.7% 0.187 260.3);

Tailwind

colors: {
  custom: {
    50: '#7887db',
    500: '#155aca',
    950: '#000000',
  },
}

SCSS

$custom: #155aca;
$custom-light: #7887db;
$custom-dark: #000000;

JSON

{
  "hex": "#155aca",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 202
  },
  "hsl": {
    "h": 217.127,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49745,
    "c": 0.18655,
    "h": 260.3
  },
  "luminance": 0.11736
}

Semantic roles & 50–950 ramp

primary

#155ACA

secondary

#D5AB66

accent

#AC30F8

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #155ACA

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

Preview Lab → · Contrast checker → · Palette generator →