#184F71#184F71

#184F71 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.9% C 0.080 H 240.4°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#184F71
RGB	rgb(24, 79, 113)
HSL	hsl(203, 65%, 27%)
HSV	hsv(203, 79%, 44%)
CMYK	cmyk(78.8%, 30.1%, 0%, 55.7%)
CIE-LAB	lab(31.76, -5.09, -24.60)
CIE-LCH	lch(31.76, 25.12, 258.31°)
OKLab	oklab(40.91% -0.0395 -0.0695)
OKLCH	oklch(40.91% 0.08 240.4)
XYZ	xyz(6.1521, 6.9777, 16.6422)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184F71 #713A18

analogous

#187167 #184F71 #182371

triadic

#184F71 #71184F #4F7118

tetradic

#184F71 #671871 #713A18 #237118

square

#184F71 #671871 #713A18 #237118

split-complementary

#184F71 #711823 #716718

monochromatic

#051219 #0D2C3F #184F71 #2372A3 #3095D3

Accessibility & contrast

On white

8.77

#184F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#184F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184F71

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184F71	#FFFFFF	#000000	##FFFFFF
##184F71	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F73

Deuteranopia (green-blind)

#334770

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #184f71;
/* rgb */ color: rgb(24, 79, 113);
/* oklch */ color: oklch(40.9% 0.080 240.4);

Tailwind

colors: {
  custom: {
    50: '#63809a',
    500: '#184f71',
    950: '#000000',
  },
}

SCSS

$custom: #184f71;
$custom-light: #63809a;
$custom-dark: #000000;

JSON

{
  "hex": "#184f71",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 113
  },
  "hsl": {
    "h": 202.921,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.40911,
    "c": 0.08001,
    "h": 240.4
  },
  "luminance": 0.06978
}

Semantic roles & 50–950 ramp

primary

#184F71

secondary

#A6663E

accent

#8040E8

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #184F71

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

Preview Lab → · Contrast checker → · Palette generator →