#174D7F#174D7F

#174D7F is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.100 H 250.4°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#174D7F
RGB	rgb(23, 77, 127)
HSL	hsl(209, 69%, 29%)
HSV	hsv(209, 82%, 50%)
CMYK	cmyk(81.9%, 39.4%, 0%, 50.2%)
CIE-LAB	lab(31.86, 1.66, -33.17)
CIE-LCH	lch(31.86, 33.21, 272.87°)
OKLab	oklab(41.24% -0.0337 -0.0946)
OKLCH	oklch(41.24% 0.1 250.4)
XYZ	xyz(6.8365, 7.0214, 21.0695)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D7F #7F4917

analogous

#177F7D #174D7F #17197F

triadic

#174D7F #7F174D #4D7F17

tetradic

#174D7F #7D177F #7F4917 #197F17

square

#174D7F #7D177F #7F4917 #197F17

split-complementary

#174D7F #7F1719 #7F7D17

monochromatic

#05101A #0E2E4B #174D7F #206CB3 #368BDB

Accessibility & contrast

On white

8.73

#174D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#174D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D7F

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D7F	#FFFFFF	#000000	##FFFFFF
##174D7F	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355081

Deuteranopia (green-blind)

#25477E

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174d7f;
/* rgb */ color: rgb(23, 77, 127);
/* oklch */ color: oklch(41.2% 0.100 250.4);

Tailwind

colors: {
  custom: {
    50: '#667ea4',
    500: '#174d7f',
    950: '#000000',
  },
}

SCSS

$custom: #174d7f;
$custom-light: #667ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#174d7f",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 127
  },
  "hsl": {
    "h": 208.846,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41235,
    "c": 0.10046,
    "h": 250.4
  },
  "luminance": 0.07022
}

Semantic roles & 50–950 ramp

primary

#174D7F

secondary

#B4773E

accent

#913CEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174D7F

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

Preview Lab → · Contrast checker → · Palette generator →