#2574B0#2574B0

#2574B0 is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.1% C 0.120 H 246.0°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#2574B0
RGB	rgb(37, 116, 176)
HSL	hsl(206, 65%, 42%)
HSV	hsv(206, 79%, 69%)
CMYK	cmyk(79%, 34.1%, 0%, 31%)
CIE-LAB	lab(47.00, -2.29, -38.55)
CIE-LCH	lch(47.00, 38.61, 266.60°)
OKLab	oklab(54.12% -0.0489 -0.1096)
OKLCH	oklch(54.12% 0.12 246)
XYZ	xyz(14.8418, 16.0169, 43.3752)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2574B0 #B06125

analogous

#25B0A7 #2574B0 #252FB0

triadic

#2574B0 #B02574 #74B025

tetradic

#2574B0 #A725B0 #B06125 #2FB025

square

#2574B0 #A725B0 #B06125 #2FB025

split-complementary

#2574B0 #B0252F #B0A725

monochromatic

#10314B #1A537D #2574B0 #3C94D6 #6FAFE1

Accessibility & contrast

On white

5.00

#2574B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#2574B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2574B0

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2574B0	#FFFFFF	#000000	##FFFFFF
##2574B0	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5876B3

Deuteranopia (green-blind)

#446AAF

Tritanopia (blue-blind)

#00838A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2574b0;
/* rgb */ color: rgb(37, 116, 176);
/* oklch */ color: oklch(54.1% 0.120 246.0);

Tailwind

colors: {
  custom: {
    50: '#759bc8',
    500: '#2574b0',
    950: '#000000',
  },
}

SCSS

$custom: #2574b0;
$custom-light: #759bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2574b0",
  "rgb": {
    "r": 37,
    "g": 116,
    "b": 176
  },
  "hsl": {
    "h": 205.899,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.54119,
    "c": 0.11998,
    "h": 246
  },
  "luminance": 0.16019
}

Semantic roles & 50–950 ramp

primary

#2574B0

secondary

#C7926A

accent

#8840E8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2574B0

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

Preview Lab → · Contrast checker → · Palette generator →