#2588AB#2588AB

#2588AB is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.7% C 0.102 H 226.8°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#2588AB
RGB	rgb(37, 136, 171)
HSL	hsl(196, 64%, 41%)
HSV	hsv(196, 78%, 67%)
CMYK	cmyk(78.4%, 20.5%, 0%, 32.9%)
CIE-LAB	lab(52.88, -15.67, -26.44)
CIE-LCH	lch(52.88, 30.74, 239.35°)
OKLab	oklab(58.72% -0.0696 -0.0742)
OKLCH	oklch(58.72% 0.102 226.8)
XYZ	xyz(16.9148, 20.9398, 41.6705)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2588AB #AB4825

analogous

#25AB8B #2588AB #2545AB

triadic

#2588AB #AB2588 #88AB25

tetradic

#2588AB #8B25AB #AB4825 #45AB25

square

#2588AB #8B25AB #AB4825 #45AB25

split-complementary

#2588AB #AB2545 #AB8B25

monochromatic

#0F3846 #1A6079 #2588AB #39ACD4 #6BC1DF

Accessibility & contrast

On white

4.05

#2588AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#2588AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2588AB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2588AB	#FFFFFF	#000000	##000000
##2588AB	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7585AD

Deuteranopia (green-blind)

#6379AB

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2588ab;
/* rgb */ color: rgb(37, 136, 171);
/* oklch */ color: oklch(58.7% 0.102 226.8);

Tailwind

colors: {
  custom: {
    50: '#75aac4',
    500: '#2588ab',
    950: '#000000',
  },
}

SCSS

$custom: #2588ab;
$custom-light: #75aac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2588ab",
  "rgb": {
    "r": 37,
    "g": 136,
    "b": 171
  },
  "hsl": {
    "h": 195.672,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.58721,
    "c": 0.10179,
    "h": 226.8
  },
  "luminance": 0.20942
}

Semantic roles & 50–950 ramp

primary

#2588AB

secondary

#C57F67

accent

#6C40E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2588AB

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

Preview Lab → · Contrast checker → · Palette generator →