#1554B4#1554B4

#1554B4 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.7% C 0.165 H 259.5°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#1554B4
RGBrgb(21, 84, 180)
HSLhsl(216, 79%, 39%)
HSVhsv(216, 88%, 71%)
CMYKcmyk(88.3%, 53.3%, 0%, 29.4%)
CIE-LABlab(37.47, 18.36, -56.17)
CIE-LCHlch(37.47, 59.09, 288.10°)
OKLaboklab(46.7% -0.0301 -0.1621)
OKLCHoklch(46.7% 0.165 259.5)
XYZxyz(11.7148, 9.7939, 44.4441)
Luminance0.0979 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1554B4 #B47515
analogous
#15A4B4 #1554B4 #2515B4
triadic
#1554B4 #B41554 #54B415
tetradic
#1554B4 #B415A4 #B47515 #15B425
square
#1554B4 #B415A4 #B47515 #15B425
split-complementary
#1554B4 #B42515 #A4B415
monochromatic
#082146 #0F3A7D #1554B4 #216FE5 #5892EC

Accessibility & contrast

On white

7.10
#1554B4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#1554B4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1554B4
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1554B4#FFFFFF#000000##FFFFFF
##1554B41.007.102.967.10
#FFFFFF7.101.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0360B7
Deuteranopia (green-blind)
#0052B2
Tritanopia (blue-blind)
#006C7C
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #1554b4;
/* rgb */ color: rgb(21, 84, 180);
/* oklch */ color: oklch(46.7% 0.165 259.5);
Tailwind
colors: {
  custom: {
    50: '#7383cb',
    500: '#1554b4',
    950: '#000000',
  },
}
SCSS
$custom: #1554b4;
$custom-light: #7383cb;
$custom-dark: #000000;
JSON
{
  "hex": "#1554b4",
  "rgb": {
    "r": 21,
    "g": 84,
    "b": 180
  },
  "hsl": {
    "h": 216.226,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46699,
    "c": 0.16491,
    "h": 259.5
  },
  "luminance": 0.09795
}

Semantic roles & 50–950 ramp

primary
#1554B4
secondary
#CF9F56
accent
#A832F6
background
#F7F7FC
surface
#EEEEF9
border
#C9C9D2
text
#0A0A13
muted
#7C7C82

Preview Lab

Preview with #1554B4

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

Preview Lab → · Contrast checker → · Palette generator →

#1554B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva