#2499B4#2499B4

#2499B4 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.3% C 0.105 H 217.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#2499B4
RGB	rgb(36, 153, 180)
HSL	hsl(191, 67%, 42%)
HSV	hsv(191, 80%, 71%)
CMYK	cmyk(80%, 15%, 0%, 29.4%)
CIE-LAB	lab(58.46, -21.82, -22.99)
CIE-LCH	lch(58.46, 31.69, 226.49°)
OKLab	oklab(63.31% -0.083 -0.0643)
OKLCH	oklch(63.31% 0.105 217.7)
XYZ	xyz(20.3535, 26.4503, 47.2039)
Luminance	0.2645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2499B4 #B43F24

analogous

#24B487 #2499B4 #2451B4

triadic

#2499B4 #B42499 #99B424

tetradic

#2499B4 #8724B4 #B43F24 #51B424

square

#2499B4 #8724B4 #B43F24 #51B424

split-complementary

#2499B4 #B42451 #B48724

monochromatic

#10424E #1A6E81 #2499B4 #3DBBD8 #70CDE2

Accessibility & contrast

On white

3.34

#2499B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#2499B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2499B4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2499B4	#FFFFFF	#000000	##000000
##2499B4	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8894B5

Deuteranopia (green-blind)

#7587B4

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #2499b4;
/* rgb */ color: rgb(36, 153, 180);
/* oklch */ color: oklch(63.3% 0.105 217.7);

Tailwind

colors: {
  custom: {
    50: '#78b7ca',
    500: '#2499b4',
    950: '#000000',
  },
}

SCSS

$custom: #2499b4;
$custom-light: #78b7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2499b4",
  "rgb": {
    "r": 36,
    "g": 153,
    "b": 180
  },
  "hsl": {
    "h": 191.25,
    "s": 66.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.63313,
    "c": 0.105,
    "h": 217.7
  },
  "luminance": 0.26453
}

Semantic roles & 50–950 ramp

primary

#2499B4

secondary

#C97C6B

accent

#5E3EEA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2499B4

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

Preview Lab → · Contrast checker → · Palette generator →