#154EB4#154EB4

#154EB4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.172 H 261.2°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#154EB4
RGB	rgb(21, 78, 180)
HSL	hsl(218, 79%, 39%)
HSV	hsv(218, 88%, 71%)
CMYK	cmyk(88.3%, 56.7%, 0%, 29.4%)
CIE-LAB	lab(35.79, 22.38, -58.89)
CIE-LCH	lch(35.79, 63.00, 290.81°)
OKLab	oklab(45.43% -0.0265 -0.1703)
OKLCH	oklch(45.43% 0.172 261.2)
XYZ	xyz(11.2689, 8.9020, 44.2955)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154EB4 #B47B15

analogous

#159DB4 #154EB4 #2C15B4

triadic

#154EB4 #B4154E #4EB415

tetradic

#154EB4 #B4159D #B47B15 #15B42C

square

#154EB4 #B4159D #B47B15 #15B42C

split-complementary

#154EB4 #B42C15 #9DB415

monochromatic

#081F46 #0F367D #154EB4 #2167E5 #588DEC

Accessibility & contrast

On white

7.55

#154EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#154EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154EB4

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154EB4	#FFFFFF	#000000	##FFFFFF
##154EB4	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #154eb4;
/* rgb */ color: rgb(21, 78, 180);
/* oklch */ color: oklch(45.4% 0.172 261.2);

Tailwind

colors: {
  custom: {
    50: '#737ecb',
    500: '#154eb4',
    950: '#000000',
  },
}

SCSS

$custom: #154eb4;
$custom-light: #737ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#154eb4",
  "rgb": {
    "r": 21,
    "g": 78,
    "b": 180
  },
  "hsl": {
    "h": 218.491,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45427,
    "c": 0.17231,
    "h": 261.2
  },
  "luminance": 0.08903
}

Semantic roles & 50–950 ramp

primary

#154EB4

secondary

#CFA356

accent

#B032F6

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #154EB4

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

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