#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
RGB	rgb(35, 81, 125)
HSL	hsl(209, 56%, 31%)
HSV	hsv(209, 72%, 49%)
CMYK	cmyk(72%, 35.2%, 0%, 51%)
CIE-LAB	lab(33.40, -0.04, -29.46)
CIE-LCH	lch(33.40, 29.46, 269.93°)
OKLab	oklab(42.52% -0.0307 -0.0836)
OKLCH	oklch(42.52% 0.089 249.8)
XYZ	xyz(7.3359, 7.7221, 20.5020)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	cyan

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
##23517D	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

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 →