#2589B0#2589B0

#2589B0 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.2% C 0.106 H 229.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#2589B0
RGB	rgb(37, 137, 176)
HSL	hsl(197, 65%, 42%)
HSV	hsv(197, 79%, 69%)
CMYK	cmyk(79%, 22.2%, 0%, 31%)
CIE-LAB	lab(53.40, -14.48, -28.51)
CIE-LCH	lch(53.40, 31.98, 243.08°)
OKLab	oklab(59.21% -0.0687 -0.0802)
OKLCH	oklch(59.21% 0.106 229.4)
XYZ	xyz(17.5419, 21.4171, 44.2753)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2589B0 #B04C25

analogous

#25B092 #2589B0 #2543B0

triadic

#2589B0 #B02589 #89B025

tetradic

#2589B0 #9225B0 #B04C25 #43B025

square

#2589B0 #9225B0 #B04C25 #43B025

split-complementary

#2589B0 #B02543 #B09225

monochromatic

#103A4B #1A627D #2589B0 #3CABD6 #6FC1E1

Accessibility & contrast

On white

3.97

#2589B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#2589B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2589B0

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2589B0	#FFFFFF	#000000	##000000
##2589B0	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7587B2

Deuteranopia (green-blind)

#627AAF

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2589b0;
/* rgb */ color: rgb(37, 137, 176);
/* oklch */ color: oklch(59.2% 0.106 229.4);

Tailwind

colors: {
  custom: {
    50: '#76abc7',
    500: '#2589b0',
    950: '#000000',
  },
}

SCSS

$custom: #2589b0;
$custom-light: #76abc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2589b0",
  "rgb": {
    "r": 37,
    "g": 137,
    "b": 176
  },
  "hsl": {
    "h": 196.835,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59206,
    "c": 0.10562,
    "h": 229.4
  },
  "luminance": 0.21419
}

Semantic roles & 50–950 ramp

primary

#2589B0

secondary

#C7846A

accent

#6F40E8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2589B0

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

Preview Lab → · Contrast checker → · Palette generator →