#154FB4#154FB4

#154FB4 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.171 H 260.9°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#154FB4
RGB	rgb(21, 79, 180)
HSL	hsl(218, 79%, 39%)
HSV	hsv(218, 88%, 71%)
CMYK	cmyk(88.3%, 56.1%, 0%, 29.4%)
CIE-LAB	lab(36.07, 21.71, -58.44)
CIE-LCH	lch(36.07, 62.34, 290.38°)
OKLab	oklab(45.64% -0.0271 -0.1689)
OKLCH	oklch(45.64% 0.171 260.9)
XYZ	xyz(11.3405, 9.0452, 44.3194)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154FB4 #B47A15

analogous

#159FB4 #154FB4 #2B15B4

triadic

#154FB4 #B4154F #4FB415

tetradic

#154FB4 #B4159F #B47A15 #15B42B

square

#154FB4 #B4159F #B47A15 #15B42B

split-complementary

#154FB4 #B42B15 #9FB415

monochromatic

#081F46 #0F377D #154FB4 #2169E5 #588EEC

Accessibility & contrast

On white

7.47

#154FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#154FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154FB4

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154FB4	#FFFFFF	#000000	##FFFFFF
##154FB4	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB7

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #154fb4;
/* rgb */ color: rgb(21, 79, 180);
/* oklch */ color: oklch(45.6% 0.171 260.9);

Tailwind

colors: {
  custom: {
    50: '#737fcb',
    500: '#154fb4',
    950: '#000000',
  },
}

SCSS

$custom: #154fb4;
$custom-light: #737fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#154fb4",
  "rgb": {
    "r": 21,
    "g": 79,
    "b": 180
  },
  "hsl": {
    "h": 218.113,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45636,
    "c": 0.17108,
    "h": 260.9
  },
  "luminance": 0.09047
}

Semantic roles & 50–950 ramp

primary

#154FB4

secondary

#CFA356

accent

#AE32F6

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #154FB4

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

Preview Lab → · Contrast checker → · Palette generator →