#24577B#24577B

#24577B is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.9% C 0.081 H 242.5°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#24577B
RGB	rgb(36, 87, 123)
HSL	hsl(205, 55%, 31%)
HSV	hsv(205, 71%, 48%)
CMYK	cmyk(70.7%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(35.24, -4.44, -25.32)
CIE-LCH	lch(35.24, 25.71, 260.06°)
OKLab	oklab(43.95% -0.0372 -0.0714)
OKLCH	oklch(43.95% 0.081 242.5)
XYZ	xyz(7.7095, 8.6207, 19.9927)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24577B #7B4824

analogous

#247B73 #24577B #242B7B

triadic

#24577B #7B2457 #577B24

tetradic

#24577B #73247B #7B4824 #2B7B24

square

#24577B #73247B #7B4824 #2B7B24

split-complementary

#24577B #7B242B #7B7324

monochromatic

#08141C #16364C #24577B #3278AA #4E97CB

Accessibility & contrast

On white

7.71

#24577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#24577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24577B

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24577B	#FFFFFF	#000000	##FFFFFF
##24577B	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587D

Deuteranopia (green-blind)

#3B4F7A

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #24577b;
/* rgb */ color: rgb(36, 87, 123);
/* oklch */ color: oklch(43.9% 0.081 242.5);

Tailwind

colors: {
  custom: {
    50: '#6a86a1',
    500: '#24577b',
    950: '#000000',
  },
}

SCSS

$custom: #24577b;
$custom-light: #6a86a1;
$custom-dark: #000000;

JSON

{
  "hex": "#24577b",
  "rgb": {
    "r": 36,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 204.828,
    "s": 54.717,
    "l": 31.176
  },
  "oklch": {
    "l": 0.43947,
    "c": 0.08054,
    "h": 242.5
  },
  "luminance": 0.08622
}

Semantic roles & 50–950 ramp

primary

#24577B

secondary

#AD754D

accent

#874ADE

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #24577B

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

Preview Lab → · Contrast checker → · Palette generator →