#2570A8#2570A8

#2570A8 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.7% C 0.114 H 245.3°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#2570A8
RGB	rgb(37, 112, 168)
HSL	hsl(206, 64%, 40%)
HSV	hsv(206, 78%, 66%)
CMYK	cmyk(78%, 33.3%, 0%, 34.1%)
CIE-LAB	lab(45.37, -2.86, -36.44)
CIE-LCH	lch(45.37, 36.56, 265.51°)
OKLab	oklab(52.7% -0.0475 -0.1035)
OKLCH	oklch(52.7% 0.114 245.3)
XYZ	xyz(13.6223, 14.8072, 39.1783)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2570A8 #A85D25

analogous

#25A89E #2570A8 #252EA8

triadic

#2570A8 #A82570 #70A825

tetradic

#2570A8 #9E25A8 #A85D25 #2EA825

square

#2570A8 #9E25A8 #A85D25 #2EA825

split-complementary

#2570A8 #A8252E #A89E25

monochromatic

#0F2D44 #1A4F76 #2570A8 #3790D3 #69ACDE

Accessibility & contrast

On white

5.30

#2570A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#2570A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2570A8

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2570A8	#FFFFFF	#000000	##FFFFFF
##2570A8	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5672AA

Deuteranopia (green-blind)

#4466A7

Tritanopia (blue-blind)

#007E84

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #2570a8;
/* rgb */ color: rgb(37, 112, 168);
/* oklch */ color: oklch(52.7% 0.114 245.3);

Tailwind

colors: {
  custom: {
    50: '#7398c2',
    500: '#2570a8',
    950: '#000000',
  },
}

SCSS

$custom: #2570a8;
$custom-light: #7398c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2570a8",
  "rgb": {
    "r": 37,
    "g": 112,
    "b": 168
  },
  "hsl": {
    "h": 205.649,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.527,
    "c": 0.11388,
    "h": 245.3
  },
  "luminance": 0.14809
}

Semantic roles & 50–950 ramp

primary

#2570A8

secondary

#C48D65

accent

#8841E7

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #2570A8

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

Preview Lab → · Contrast checker → · Palette generator →