#2574B1#2574B1

#2574B1 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.2% C 0.121 H 246.4°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#2574B1
RGB	rgb(37, 116, 177)
HSL	hsl(206, 65%, 42%)
HSV	hsv(206, 79%, 69%)
CMYK	cmyk(79.1%, 34.5%, 0%, 30.6%)
CIE-LAB	lab(47.05, -1.91, -39.04)
CIE-LCH	lch(47.05, 39.09, 267.19°)
OKLab	oklab(54.18% -0.0486 -0.111)
OKLCH	oklch(54.18% 0.121 246.4)
XYZ	xyz(14.9411, 16.0566, 43.8982)
Luminance	0.1606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2574B1 #B16225

analogous

#25B1A8 #2574B1 #252EB1

triadic

#2574B1 #B12574 #74B125

tetradic

#2574B1 #A825B1 #B16225 #2EB125

square

#2574B1 #A825B1 #B16225 #2EB125

split-complementary

#2574B1 #B1252E #B1A825

monochromatic

#10324C #1A537E #2574B1 #3D93D6 #6FB0E1

Accessibility & contrast

On white

4.99

#2574B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#2574B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2574B1

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2574B1	#FFFFFF	#000000	##FFFFFF
##2574B1	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5877B4

Deuteranopia (green-blind)

#436AB0

Tritanopia (blue-blind)

#00838A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2574b1;
/* rgb */ color: rgb(37, 116, 177);
/* oklch */ color: oklch(54.2% 0.121 246.4);

Tailwind

colors: {
  custom: {
    50: '#759bc8',
    500: '#2574b1',
    950: '#000000',
  },
}

SCSS

$custom: #2574b1;
$custom-light: #759bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2574b1",
  "rgb": {
    "r": 37,
    "g": 116,
    "b": 177
  },
  "hsl": {
    "h": 206.143,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54177,
    "c": 0.1212,
    "h": 246.4
  },
  "luminance": 0.16058
}

Semantic roles & 50–950 ramp

primary

#2574B1

secondary

#C8936A

accent

#893FE8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2574B1

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

Preview Lab → · Contrast checker → · Palette generator →