#174B89#174B89

#174B89 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.4% C 0.117 H 255.4°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#174B89
RGB	rgb(23, 75, 137)
HSL	hsl(213, 71%, 31%)
HSV	hsv(213, 83%, 54%)
CMYK	cmyk(83.2%, 45.3%, 0%, 46.3%)
CIE-LAB	lab(31.85, 7.08, -39.35)
CIE-LCH	lch(31.85, 39.99, 280.20°)
OKLab	oklab(41.43% -0.0295 -0.1128)
OKLCH	oklch(41.43% 0.117 255.4)
XYZ	xyz(7.3831, 7.0196, 24.6278)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B89 #895517

analogous

#178489 #174B89 #1C1789

triadic

#174B89 #89174B #4B8917

tetradic

#174B89 #891784 #895517 #17891C

square

#174B89 #891784 #895517 #17891C

split-complementary

#174B89 #891C17 #848917

monochromatic

#051220 #0E2E55 #174B89 #2068BD #3C86DE

Accessibility & contrast

On white

8.74

#174B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#174B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B89

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B89	#FFFFFF	#000000	##FFFFFF
##174B89	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B508B

Deuteranopia (green-blind)

#134688

Tritanopia (blue-blind)

#005A63

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174b89;
/* rgb */ color: rgb(23, 75, 137);
/* oklch */ color: oklch(41.4% 0.117 255.4);

Tailwind

colors: {
  custom: {
    50: '#687cac',
    500: '#174b89',
    950: '#000000',
  },
}

SCSS

$custom: #174b89;
$custom-light: #687cac;
$custom-dark: #000000;

JSON

{
  "hex": "#174b89",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 137
  },
  "hsl": {
    "h": 212.632,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41433,
    "c": 0.11663,
    "h": 255.4
  },
  "luminance": 0.0702
}

Semantic roles & 50–950 ramp

primary

#174B89

secondary

#BD833F

accent

#9C3AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174B89

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

Preview Lab → · Contrast checker → · Palette generator →