#175F7B#175F7B

#175F7B is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.6% C 0.081 H 229.3°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#175F7B
RGB	rgb(23, 95, 123)
HSL	hsl(197, 68%, 29%)
HSV	hsv(197, 81%, 48%)
CMYK	cmyk(81.3%, 22.8%, 0%, 51.8%)
CIE-LAB	lab(37.47, -11.19, -21.88)
CIE-LCH	lch(37.47, 24.57, 242.91°)
OKLab	oklab(45.62% -0.0529 -0.0615)
OKLCH	oklch(45.62% 0.081 229.3)
XYZ	xyz(8.0192, 9.7957, 20.2032)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175F7B #7B3317

analogous

#177B65 #175F7B #172D7B

triadic

#175F7B #7B175F #5F7B17

tetradic

#175F7B #65177B #7B3317 #2D7B17

square

#175F7B #65177B #7B3317 #2D7B17

split-complementary

#175F7B #7B172D #7B6517

monochromatic

#05141A #0D3747 #175F7B #2187AF #33ABD9

Accessibility & contrast

On white

7.10

#175F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#175F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175F7B

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175F7B	#FFFFFF	#000000	##FFFFFF
##175F7B	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505D7C

Deuteranopia (green-blind)

#43547B

Tritanopia (blue-blind)

#006768

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #175f7b;
/* rgb */ color: rgb(23, 95, 123);
/* oklch */ color: oklch(45.6% 0.081 229.3);

Tailwind

colors: {
  custom: {
    50: '#668ca1',
    500: '#175f7b',
    950: '#000000',
  },
}

SCSS

$custom: #175f7b;
$custom-light: #668ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#175f7b",
  "rgb": {
    "r": 23,
    "g": 95,
    "b": 123
  },
  "hsl": {
    "h": 196.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.45616,
    "c": 0.08116,
    "h": 229.3
  },
  "luminance": 0.09797
}

Semantic roles & 50–950 ramp

primary

#175F7B

secondary

#B05E3E

accent

#6D3CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #175F7B

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

Preview Lab → · Contrast checker → · Palette generator →