#2499B3#2499B3

#2499B3 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.3% C 0.104 H 217.0°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#2499B3
RGB	rgb(36, 153, 179)
HSL	hsl(191, 67%, 42%)
HSV	hsv(191, 80%, 70%)
CMYK	cmyk(79.9%, 14.5%, 0%, 29.8%)
CIE-LAB	lab(58.42, -22.15, -22.48)
CIE-LCH	lch(58.42, 31.56, 225.42°)
OKLab	oklab(63.27% -0.0834 -0.0628)
OKLCH	oklch(63.27% 0.104 217)
XYZ	xyz(20.2520, 26.4097, 46.6693)
Luminance	0.2641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2499B3 #B33E24

analogous

#24B386 #2499B3 #2452B3

triadic

#2499B3 #B32499 #99B324

tetradic

#2499B3 #8624B3 #B33E24 #52B324

square

#2499B3 #8624B3 #B33E24 #52B324

split-complementary

#2499B3 #B32452 #B38624

monochromatic

#10424D #1A6D80 #2499B3 #3CBCD8 #6FCDE2

Accessibility & contrast

On white

3.34

#2499B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#2499B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2499B3

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2499B3	#FFFFFF	#000000	##000000
##2499B3	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8894B4

Deuteranopia (green-blind)

#7587B3

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #2499b3;
/* rgb */ color: rgb(36, 153, 179);
/* oklch */ color: oklch(63.3% 0.104 217.0);

Tailwind

colors: {
  custom: {
    50: '#78b7c9',
    500: '#2499b3',
    950: '#000000',
  },
}

SCSS

$custom: #2499b3;
$custom-light: #78b7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2499b3",
  "rgb": {
    "r": 36,
    "g": 153,
    "b": 179
  },
  "hsl": {
    "h": 190.909,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.6327,
    "c": 0.10444,
    "h": 217
  },
  "luminance": 0.26412
}

Semantic roles & 50–950 ramp

primary

#2499B3

secondary

#C97B6A

accent

#5D3EE9

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2499B3

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

Preview Lab → · Contrast checker → · Palette generator →