#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
RGB	rgb(21, 84, 180)
HSL	hsl(216, 79%, 39%)
HSV	hsv(216, 88%, 71%)
CMYK	cmyk(88.3%, 53.3%, 0%, 29.4%)
CIE-LAB	lab(37.47, 18.36, -56.17)
CIE-LCH	lch(37.47, 59.09, 288.10°)
OKLab	oklab(46.7% -0.0301 -0.1621)
OKLCH	oklch(46.7% 0.165 259.5)
XYZ	xyz(11.7148, 9.7939, 44.4441)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	blue

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
##1554B4	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

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 →