#154B9F#154B9F

#154B9F is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.1% C 0.148 H 259.5°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#154B9F
RGB	rgb(21, 75, 159)
HSL	hsl(217, 77%, 35%)
HSV	hsv(217, 87%, 62%)
CMYK	cmyk(86.8%, 52.8%, 0%, 37.6%)
CIE-LAB	lab(33.34, 15.92, -50.36)
CIE-LCH	lch(33.34, 52.81, 287.55°)
OKLab	oklab(43.05% -0.0268 -0.1452)
OKLCH	oklch(43.05% 0.148 259.5)
XYZ	xyz(9.0811, 7.6936, 33.8006)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B9F #9F6915

analogous

#15909F #154B9F #24159F

triadic

#154B9F #9F154B #4B9F15

tetradic

#154B9F #9F1590 #9F6915 #159F24

square

#154B9F #9F1590 #9F6915 #159F24

split-complementary

#154B9F #9F2415 #909F15

monochromatic

#071833 #0E3169 #154B9F #1C64D5 #4886E7

Accessibility & contrast

On white

8.27

#154B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#154B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B9F

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B9F	#FFFFFF	#000000	##FFFFFF
##154B9F	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D55A2

Deuteranopia (green-blind)

#00499D

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #154b9f;
/* rgb */ color: rgb(21, 75, 159);
/* oklch */ color: oklch(43.1% 0.148 259.5);

Tailwind

colors: {
  custom: {
    50: '#6d7cbc',
    500: '#154b9f',
    950: '#000000',
  },
}

SCSS

$custom: #154b9f;
$custom-light: #6d7cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#154b9f",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 159
  },
  "hsl": {
    "h": 216.522,
    "s": 76.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43052,
    "c": 0.14769,
    "h": 259.5
  },
  "luminance": 0.07695
}

Semantic roles & 50–950 ramp

primary

#154B9F

secondary

#C89648

accent

#A935F3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #154B9F

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

Preview Lab → · Contrast checker → · Palette generator →