#2589B2#2589B2

#2589B2 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.107 H 230.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#2589B2
RGB	rgb(37, 137, 178)
HSL	hsl(197, 66%, 42%)
HSV	hsv(197, 79%, 70%)
CMYK	cmyk(79.2%, 23%, 0%, 30.2%)
CIE-LAB	lab(53.49, -13.77, -29.52)
CIE-LCH	lch(53.49, 32.58, 244.99°)
OKLab	oklab(59.3% -0.068 -0.0831)
OKLCH	oklch(59.3% 0.107 230.7)
XYZ	xyz(17.7412, 21.4968, 45.3251)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2589B2 #B24E25

analogous

#25B295 #2589B2 #2543B2

triadic

#2589B2 #B22589 #89B225

tetradic

#2589B2 #9525B2 #B24E25 #43B225

square

#2589B2 #9525B2 #B24E25 #43B225

split-complementary

#2589B2 #B22543 #B29525

monochromatic

#103B4D #1A627F #2589B2 #3DAAD7 #70C0E1

Accessibility & contrast

On white

3.96

#2589B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#2589B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2589B2

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2589B2	#FFFFFF	#000000	##000000
##2589B2	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B4

Deuteranopia (green-blind)

#617AB1

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2589b2;
/* rgb */ color: rgb(37, 137, 178);
/* oklch */ color: oklch(59.3% 0.107 230.7);

Tailwind

colors: {
  custom: {
    50: '#76abc9',
    500: '#2589b2',
    950: '#000000',
  },
}

SCSS

$custom: #2589b2;
$custom-light: #76abc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2589b2",
  "rgb": {
    "r": 37,
    "g": 137,
    "b": 178
  },
  "hsl": {
    "h": 197.447,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.59303,
    "c": 0.10738,
    "h": 230.7
  },
  "luminance": 0.21499
}

Semantic roles & 50–950 ramp

primary

#2589B2

secondary

#C8866B

accent

#703FE9

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2589B2

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

Preview Lab → · Contrast checker → · Palette generator →