#23517D#23517D

#23517D is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.089 H 249.8°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#23517D
RGBrgb(35, 81, 125)
HSLhsl(209, 56%, 31%)
HSVhsv(209, 72%, 49%)
CMYKcmyk(72%, 35.2%, 0%, 51%)
CIE-LABlab(33.40, -0.04, -29.46)
CIE-LCHlch(33.40, 29.46, 269.93°)
OKLaboklab(42.52% -0.0307 -0.0836)
OKLCHoklch(42.52% 0.089 249.8)
XYZxyz(7.3359, 7.7221, 20.5020)
Luminance0.0772 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23517D #7D4F23
analogous
#237D7C #23517D #23247D
triadic
#23517D #7D2351 #517D23
tetradic
#23517D #7C237D #7D4F23 #247D23
square
#23517D #7C237D #7D4F23 #247D23
split-complementary
#23517D #7D2324 #7D7C23
monochromatic
#08131D #16324D #23517D #3070AD #4D8FCD

Accessibility & contrast

On white

8.25
#23517D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#23517D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23517D
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23517D#FFFFFF#000000##FFFFFF
##23517D1.008.252.548.25
#FFFFFF8.251.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D537F
Deuteranopia (green-blind)
#314B7C
Tritanopia (blue-blind)
#005B61
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #23517d;
/* rgb */ color: rgb(35, 81, 125);
/* oklch */ color: oklch(42.5% 0.089 249.8);
Tailwind
colors: {
  custom: {
    50: '#6a81a3',
    500: '#23517d',
    950: '#000000',
  },
}
SCSS
$custom: #23517d;
$custom-light: #6a81a3;
$custom-dark: #000000;
JSON
{
  "hex": "#23517d",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 125
  },
  "hsl": {
    "h": 209.333,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42516,
    "c": 0.08904,
    "h": 249.8
  },
  "luminance": 0.07723
}

Semantic roles & 50–950 ramp

primary
#23517D
secondary
#AF7D4C
accent
#9248E0
background
#F6F7FA
surface
#ECEEF3
border
#C7C9CD
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #23517D

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

Preview Lab → · Contrast checker → · Palette generator →

#23517D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva