#2590B2#2590B2

#2590B2 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.0% C 0.105 H 224.5°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#2590B2
RGB	rgb(37, 144, 178)
HSL	hsl(194, 66%, 42%)
HSV	hsv(194, 79%, 70%)
CMYK	cmyk(79.2%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(55.64, -17.61, -26.20)
CIE-LCH	lch(55.64, 31.57, 236.08°)
OKLab	oklab(61.02% -0.0747 -0.0735)
OKLCH	oklch(61.02% 0.105 224.5)
XYZ	xyz(18.7687, 23.5519, 45.6676)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2590B2 #B24725

analogous

#25B28E #2590B2 #254AB2

triadic

#2590B2 #B22590 #90B225

tetradic

#2590B2 #8E25B2 #B24725 #4AB225

square

#2590B2 #8E25B2 #B24725 #4AB225

split-complementary

#2590B2 #B2254A #B28E25

monochromatic

#103E4D #1A677F #2590B2 #3DB2D7 #70C6E1

Accessibility & contrast

On white

3.68

#2590B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#2590B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2590B2

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2590B2	#FFFFFF	#000000	##000000
##2590B2	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB4

Deuteranopia (green-blind)

#6A7FB2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #2590b2;
/* rgb */ color: rgb(37, 144, 178);
/* oklch */ color: oklch(61.0% 0.105 224.5);

Tailwind

colors: {
  custom: {
    50: '#77b0c9',
    500: '#2590b2',
    950: '#000000',
  },
}

SCSS

$custom: #2590b2;
$custom-light: #77b0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2590b2",
  "rgb": {
    "r": 37,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 194.468,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.61022,
    "c": 0.10483,
    "h": 224.5
  },
  "luminance": 0.23554
}

Semantic roles & 50–950 ramp

primary

#2590B2

secondary

#C8816B

accent

#683FE9

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2590B2

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

Preview Lab → · Contrast checker → · Palette generator →