#175E7B#175E7B

#175E7B is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.4% C 0.082 H 230.5°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#175E7B
RGB	rgb(23, 94, 123)
HSL	hsl(197, 68%, 29%)
HSV	hsv(197, 81%, 48%)
CMYK	cmyk(81.3%, 23.6%, 0%, 51.8%)
CIE-LAB	lab(37.15, -10.60, -22.39)
CIE-LCH	lch(37.15, 24.77, 244.67°)
OKLab	oklab(45.35% -0.0519 -0.063)
OKLCH	oklch(45.35% 0.082 230.5)
XYZ	xyz(7.9297, 9.6167, 20.1733)
Luminance	0.0962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175E7B #7B3417

analogous

#177B66 #175E7B #172C7B

triadic

#175E7B #7B175E #5E7B17

tetradic

#175E7B #66177B #7B3417 #2C7B17

square

#175E7B #66177B #7B3417 #2C7B17

split-complementary

#175E7B #7B172C #7B6617

monochromatic

#05141A #0D3747 #175E7B #2185AF #33A9D9

Accessibility & contrast

On white

7.18

#175E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#175E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175E7B

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175E7B	#FFFFFF	#000000	##FFFFFF
##175E7B	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5D7C

Deuteranopia (green-blind)

#42537B

Tritanopia (blue-blind)

#006668

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #175e7b;
/* rgb */ color: rgb(23, 94, 123);
/* oklch */ color: oklch(45.4% 0.082 230.5);

Tailwind

colors: {
  custom: {
    50: '#668ba1',
    500: '#175e7b',
    950: '#000000',
  },
}

SCSS

$custom: #175e7b;
$custom-light: #668ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#175e7b",
  "rgb": {
    "r": 23,
    "g": 94,
    "b": 123
  },
  "hsl": {
    "h": 197.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.45354,
    "c": 0.08163,
    "h": 230.5
  },
  "luminance": 0.09618
}

Semantic roles & 50–950 ramp

primary

#175E7B

secondary

#B05F3E

accent

#6F3CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #175E7B

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

Preview Lab → · Contrast checker → · Palette generator →