#154D9E#154D9E

#154D9E is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.4% C 0.144 H 258.6°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#154D9E
RGB	rgb(21, 77, 158)
HSL	hsl(215, 77%, 35%)
HSV	hsv(215, 87%, 62%)
CMYK	cmyk(86.7%, 51.3%, 0%, 38%)
CIE-LAB	lab(33.85, 14.15, -48.93)
CIE-LCH	lch(33.85, 50.94, 286.13°)
OKLab	oklab(43.42% -0.0283 -0.141)
OKLCH	oklch(43.42% 0.144 258.6)
XYZ	xyz(9.1324, 7.9347, 33.3913)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154D9E #9E6615

analogous

#15929E #154D9E #21159E

triadic

#154D9E #9E154D #4D9E15

tetradic

#154D9E #9E1592 #9E6615 #159E21

square

#154D9E #9E1592 #9E6615 #159E21

split-complementary

#154D9E #9E2115 #929E15

monochromatic

#071832 #0E3368 #154D9E #1C67D4 #4788E7

Accessibility & contrast

On white

8.12

#154D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#154D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154D9E

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154D9E	#FFFFFF	#000000	##FFFFFF
##154D9E	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1856A1

Deuteranopia (green-blind)

#004A9C

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #154d9e;
/* rgb */ color: rgb(21, 77, 158);
/* oklch */ color: oklch(43.4% 0.144 258.6);

Tailwind

colors: {
  custom: {
    50: '#6d7ebb',
    500: '#154d9e',
    950: '#000000',
  },
}

SCSS

$custom: #154d9e;
$custom-light: #6d7ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#154d9e",
  "rgb": {
    "r": 21,
    "g": 77,
    "b": 158
  },
  "hsl": {
    "h": 215.474,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.14381,
    "h": 258.6
  },
  "luminance": 0.07936
}

Semantic roles & 50–950 ramp

primary

#154D9E

secondary

#C79347

accent

#A535F3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #154D9E

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

Preview Lab → · Contrast checker → · Palette generator →