#2575B1#2575B1

#2575B1 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.4% C 0.120 H 245.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#2575B1
RGB	rgb(37, 117, 177)
HSL	hsl(206, 65%, 42%)
HSV	hsv(206, 79%, 69%)
CMYK	cmyk(79.1%, 33.9%, 0%, 30.6%)
CIE-LAB	lab(47.35, -2.52, -38.57)
CIE-LCH	lch(47.35, 38.65, 266.26°)
OKLab	oklab(54.42% -0.0495 -0.1096)
OKLCH	oklch(54.42% 0.12 245.7)
XYZ	xyz(15.0570, 16.2884, 43.9369)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2575B1 #B16125

analogous

#25B1A7 #2575B1 #252FB1

triadic

#2575B1 #B12575 #75B125

tetradic

#2575B1 #A725B1 #B16125 #2FB125

square

#2575B1 #A725B1 #B16125 #2FB125

split-complementary

#2575B1 #B1252F #B1A725

monochromatic

#10324C #1A547E #2575B1 #3D95D6 #6FB0E1

Accessibility & contrast

On white

4.93

#2575B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#2575B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2575B1

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2575B1	#FFFFFF	#000000	##FFFFFF
##2575B1	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5977B4

Deuteranopia (green-blind)

#456BB0

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2575b1;
/* rgb */ color: rgb(37, 117, 177);
/* oklch */ color: oklch(54.4% 0.120 245.7);

Tailwind

colors: {
  custom: {
    50: '#759cc8',
    500: '#2575b1',
    950: '#000000',
  },
}

SCSS

$custom: #2575b1;
$custom-light: #759cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2575b1",
  "rgb": {
    "r": 37,
    "g": 117,
    "b": 177
  },
  "hsl": {
    "h": 205.714,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54415,
    "c": 0.12028,
    "h": 245.7
  },
  "luminance": 0.1629
}

Semantic roles & 50–950 ramp

primary

#2575B1

secondary

#C8926A

accent

#883FE8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2575B1

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

Preview Lab → · Contrast checker → · Palette generator →