#2499B9#2499B9

#2499B9 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.5% C 0.108 H 221.4°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#2499B9
RGB	rgb(36, 153, 185)
HSL	hsl(193, 67%, 43%)
HSV	hsv(193, 81%, 73%)
CMYK	cmyk(80.5%, 17.3%, 0%, 27.5%)
CIE-LAB	lab(58.66, -20.14, -25.52)
CIE-LCH	lch(58.66, 32.51, 231.72°)
OKLab	oklab(63.53% -0.081 -0.0715)
OKLCH	oklch(63.53% 0.108 221.4)
XYZ	xyz(20.8720, 26.6577, 49.9349)
Luminance	0.2666 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2499B9 #B94424

analogous

#24B98E #2499B9 #244EB9

triadic

#2499B9 #B92499 #99B924

tetradic

#2499B9 #8E24B9 #B94424 #4EB924

square

#2499B9 #8E24B9 #B94424 #4EB924

split-complementary

#2499B9 #B9244E #B98E24

monochromatic

#104453 #1A6F86 #2499B9 #40B9DA #74CCE4

Accessibility & contrast

On white

3.32

#2499B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#2499B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2499B9

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2499B9	#FFFFFF	#000000	##000000
##2499B9	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8695BB

Deuteranopia (green-blind)

#7387B9

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #2499b9;
/* rgb */ color: rgb(36, 153, 185);
/* oklch */ color: oklch(63.5% 0.108 221.4);

Tailwind

colors: {
  custom: {
    50: '#78b7ce',
    500: '#2499b9',
    950: '#000000',
  },
}

SCSS

$custom: #2499b9;
$custom-light: #78b7ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2499b9",
  "rgb": {
    "r": 36,
    "g": 153,
    "b": 185
  },
  "hsl": {
    "h": 192.886,
    "s": 67.421,
    "l": 43.333
  },
  "oklch": {
    "l": 0.63534,
    "c": 0.10807,
    "h": 221.4
  },
  "luminance": 0.2666
}

Semantic roles & 50–950 ramp

primary

#2499B9

secondary

#CB826E

accent

#633DEA

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2499B9

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

Preview Lab → · Contrast checker → · Palette generator →