#1555CA#1555CA

#1555CA is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.193 H 261.4°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#1555CA
RGB	rgb(21, 85, 202)
HSL	hsl(219, 81%, 44%)
HSV	hsv(219, 90%, 79%)
CMYK	cmyk(89.6%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(39.44, 26.42, -65.81)
CIE-LCH	lch(39.44, 70.91, 291.87°)
OKLab	oklab(48.73% -0.0287 -0.1904)
OKLCH	oklch(48.73% 0.193 261.4)
XYZ	xyz(14.2146, 10.9188, 57.2240)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1555CA #CA8A15

analogous

#15AFCA #1555CA #3015CA

triadic

#1555CA #CA1555 #55CA15

tetradic

#1555CA #CA15AF #CA8A15 #15CA30

square

#1555CA #CA15AF #CA8A15 #15CA30

split-complementary

#1555CA #CA3015 #AFCA15

monochromatic

#09265B #0F3E93 #1555CA #3273EA #6A99EF

Accessibility & contrast

On white

6.60

#1555CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1555CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1555CA

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1555CA	#FFFFFF	#000000	##FFFFFF
##1555CA	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CE

Deuteranopia (green-blind)

#0055C8

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1555ca;
/* rgb */ color: rgb(21, 85, 202);
/* oklch */ color: oklch(48.7% 0.193 261.4);

Tailwind

colors: {
  custom: {
    50: '#7884db',
    500: '#1555ca',
    950: '#000000',
  },
}

SCSS

$custom: #1555ca;
$custom-light: #7884db;
$custom-dark: #000000;

JSON

{
  "hex": "#1555ca",
  "rgb": {
    "r": 21,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 218.785,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48727,
    "c": 0.19258,
    "h": 261.4
  },
  "luminance": 0.10921
}

Semantic roles & 50–950 ramp

primary

#1555CA

secondary

#D5AE66

accent

#B130F8

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #1555CA

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

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