#184D9F#184D9F

#184D9F is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.6% C 0.145 H 259.4°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#184D9F
RGB	rgb(24, 77, 159)
HSL	hsl(216, 74%, 36%)
HSV	hsv(216, 85%, 62%)
CMYK	cmyk(84.9%, 51.6%, 0%, 37.6%)
CIE-LAB	lab(33.99, 14.81, -49.29)
CIE-LCH	lch(33.99, 51.47, 286.72°)
OKLab	oklab(43.57% -0.0267 -0.142)
OKLCH	oklch(43.57% 0.145 259.4)
XYZ	xyz(9.2863, 8.0040, 33.8497)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D9F #9F6A18

analogous

#18909F #184D9F #26189F

triadic

#184D9F #9F184D #4D9F18

tetradic

#184D9F #9F1890 #9F6A18 #189F26

square

#184D9F #9F1890 #9F6A18 #189F26

split-complementary

#184D9F #9F2618 #909F18

monochromatic

#081935 #10336A #184D9F #2067D4 #4D88E4

Accessibility & contrast

On white

8.07

#184D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#184D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D9F

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D9F	#FFFFFF	#000000	##FFFFFF
##184D9F	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1756A2

Deuteranopia (green-blind)

#004A9D

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #184d9f;
/* rgb */ color: rgb(24, 77, 159);
/* oklch */ color: oklch(43.6% 0.145 259.4);

Tailwind

colors: {
  custom: {
    50: '#6e7ebc',
    500: '#184d9f',
    950: '#000000',
  },
}

SCSS

$custom: #184d9f;
$custom-light: #6e7ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#184d9f",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 159
  },
  "hsl": {
    "h": 216.444,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43574,
    "c": 0.14451,
    "h": 259.4
  },
  "luminance": 0.08005
}

Semantic roles & 50–950 ramp

primary

#184D9F

secondary

#C6964D

accent

#A837F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #184D9F

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

Preview Lab → · Contrast checker → · Palette generator →