#154B9E#154B9E

#154B9E is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.146 H 259.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#154B9E
RGB	rgb(21, 75, 158)
HSL	hsl(216, 77%, 35%)
HSV	hsv(216, 87%, 62%)
CMYK	cmyk(86.7%, 52.5%, 0%, 38%)
CIE-LAB	lab(33.26, 15.51, -49.87)
CIE-LCH	lch(33.26, 52.23, 287.28°)
OKLab	oklab(42.97% -0.0269 -0.1438)
OKLCH	oklch(42.97% 0.146 259.4)
XYZ	xyz(8.9946, 7.6591, 33.3454)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B9E #9E6815

analogous

#15909E #154B9E #23159E

triadic

#154B9E #9E154B #4B9E15

tetradic

#154B9E #9E1590 #9E6815 #159E23

square

#154B9E #9E1590 #9E6815 #159E23

split-complementary

#154B9E #9E2315 #909E15

monochromatic

#071832 #0E3168 #154B9E #1C65D4 #4786E7

Accessibility & contrast

On white

8.29

#154B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#154B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B9E

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B9E	#FFFFFF	#000000	##FFFFFF
##154B9E	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1055A1

Deuteranopia (green-blind)

#00489C

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #154b9e;
/* rgb */ color: rgb(21, 75, 158);
/* oklch */ color: oklch(43.0% 0.146 259.4);

Tailwind

colors: {
  custom: {
    50: '#6d7cbb',
    500: '#154b9e',
    950: '#000000',
  },
}

SCSS

$custom: #154b9e;
$custom-light: #6d7cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#154b9e",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 158
  },
  "hsl": {
    "h": 216.35,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42972,
    "c": 0.14632,
    "h": 259.4
  },
  "luminance": 0.0766
}

Semantic roles & 50–950 ramp

primary

#154B9E

secondary

#C79547

accent

#A835F3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #154B9E

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

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