#2599BE#2599BE

#2599BE is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.8% C 0.111 H 224.9°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#2599BE
RGB	rgb(37, 153, 190)
HSL	hsl(195, 67%, 45%)
HSV	hsv(195, 81%, 75%)
CMYK	cmyk(80.5%, 19.5%, 0%, 25.5%)
CIE-LAB	lab(58.87, -18.34, -28.00)
CIE-LCH	lch(58.87, 33.47, 236.78°)
OKLab	oklab(63.78% -0.0788 -0.0786)
OKLCH	oklch(63.78% 0.111 224.9)
XYZ	xyz(21.4446, 26.8908, 52.7654)
Luminance	0.2689 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2599BE #BE4A25

analogous

#25BE97 #2599BE #254CBE

triadic

#2599BE #BE2599 #99BE25

tetradic

#2599BE #9725BE #BE4A25 #4CBE25

square

#2599BE #9725BE #BE4A25 #4CBE25

split-complementary

#2599BE #BE254C #BE9725

monochromatic

#114758 #1B708B #2599BE #45B7DB #79CBE5

Accessibility & contrast

On white

3.29

#2599BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#2599BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2599BE

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2599BE	#FFFFFF	#000000	##000000
##2599BE	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8496C0

Deuteranopia (green-blind)

#7087BE

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #2599be;
/* rgb */ color: rgb(37, 153, 190);
/* oklch */ color: oklch(63.8% 0.111 224.9);

Tailwind

colors: {
  custom: {
    50: '#7ab7d1',
    500: '#2599be',
    950: '#000000',
  },
}

SCSS

$custom: #2599be;
$custom-light: #7ab7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2599be",
  "rgb": {
    "r": 37,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 194.51,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.63779,
    "c": 0.11129,
    "h": 224.9
  },
  "luminance": 0.26893
}

Semantic roles & 50–950 ramp

primary

#2599BE

secondary

#CD8872

accent

#673EEA

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #2599BE

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

Preview Lab → · Contrast checker → · Palette generator →