#2589B1#2589B1

#2589B1 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.106 H 230.1°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#2589B1
RGB	rgb(37, 137, 177)
HSL	hsl(197, 65%, 42%)
HSV	hsv(197, 79%, 69%)
CMYK	cmyk(79.1%, 22.6%, 0%, 30.6%)
CIE-LAB	lab(53.45, -14.12, -29.02)
CIE-LCH	lch(53.45, 32.27, 244.05°)
OKLab	oklab(59.26% -0.0684 -0.0816)
OKLCH	oklch(59.26% 0.106 230.1)
XYZ	xyz(17.6412, 21.4568, 44.7983)
Luminance	0.2146 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2589B1 #B14D25

analogous

#25B193 #2589B1 #2543B1

triadic

#2589B1 #B12589 #89B125

tetradic

#2589B1 #9325B1 #B14D25 #43B125

square

#2589B1 #9325B1 #B14D25 #43B125

split-complementary

#2589B1 #B12543 #B19325

monochromatic

#103B4C #1A627E #2589B1 #3DABD6 #6FC1E1

Accessibility & contrast

On white

3.97

#2589B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#2589B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2589B1

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2589B1	#FFFFFF	#000000	##000000
##2589B1	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B3

Deuteranopia (green-blind)

#627AB0

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2589b1;
/* rgb */ color: rgb(37, 137, 177);
/* oklch */ color: oklch(59.3% 0.106 230.1);

Tailwind

colors: {
  custom: {
    50: '#76abc8',
    500: '#2589b1',
    950: '#000000',
  },
}

SCSS

$custom: #2589b1;
$custom-light: #76abc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2589b1",
  "rgb": {
    "r": 37,
    "g": 137,
    "b": 177
  },
  "hsl": {
    "h": 197.143,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59255,
    "c": 0.10649,
    "h": 230.1
  },
  "luminance": 0.21459
}

Semantic roles & 50–950 ramp

primary

#2589B1

secondary

#C8856A

accent

#703FE8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2589B1

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

Preview Lab → · Contrast checker → · Palette generator →