#174B6B#174B6B

#174B6B is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.5% C 0.076 H 240.1°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#174B6B
RGB	rgb(23, 75, 107)
HSL	hsl(203, 65%, 25%)
HSV	hsv(203, 79%, 42%)
CMYK	cmyk(78.5%, 29.9%, 0%, 58%)
CIE-LAB	lab(30.10, -5.04, -23.42)
CIE-LCH	lch(30.10, 23.95, 257.86°)
OKLab	oklab(39.49% -0.038 -0.0662)
OKLCH	oklch(39.49% 0.076 240.1)
XYZ	xyz(5.5222, 6.2752, 14.8273)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B6B #6B3717

analogous

#176B61 #174B6B #17216B

triadic

#174B6B #6B174B #4B6B17

tetradic

#174B6B #61176B #6B3717 #216B17

square

#174B6B #61176B #6B3717 #216B17

split-complementary

#174B6B #6B1721 #6B6117

monochromatic

#051219 #0C2839 #174B6B #226E9D #2D92D0

Accessibility & contrast

On white

9.31

#174B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#174B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B6B

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B6B	#FFFFFF	#000000	##FFFFFF
##174B6B	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4B6C

Deuteranopia (green-blind)

#31436A

Tritanopia (blue-blind)

#005356

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #174b6b;
/* rgb */ color: rgb(23, 75, 107);
/* oklch */ color: oklch(39.5% 0.076 240.1);

Tailwind

colors: {
  custom: {
    50: '#617d95',
    500: '#174b6b',
    950: '#000000',
  },
}

SCSS

$custom: #174b6b;
$custom-light: #617d95;
$custom-dark: #000000;

JSON

{
  "hex": "#174b6b",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 107
  },
  "hsl": {
    "h": 202.857,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39486,
    "c": 0.07633,
    "h": 240.1
  },
  "luminance": 0.06276
}

Semantic roles & 50–950 ramp

primary

#174B6B

secondary

#A1633D

accent

#8040E8

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#06090D

muted

#7A7B7E

Preview Lab

Preview with #174B6B

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

Preview Lab → · Contrast checker → · Palette generator →