#2570A9#2570A9

#2570A9 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.8% C 0.115 H 245.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#2570A9
RGB	rgb(37, 112, 169)
HSL	hsl(206, 64%, 40%)
HSV	hsv(206, 78%, 66%)
CMYK	cmyk(78.1%, 33.7%, 0%, 33.7%)
CIE-LAB	lab(45.42, -2.48, -36.95)
CIE-LCH	lch(45.42, 37.03, 266.15°)
OKLab	oklab(52.76% -0.0472 -0.105)
OKLCH	oklch(52.76% 0.115 245.8)
XYZ	xyz(13.7158, 14.8446, 39.6708)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2570A9 #A95E25

analogous

#25A9A0 #2570A9 #252EA9

triadic

#2570A9 #A92570 #70A925

tetradic

#2570A9 #A025A9 #A95E25 #2EA925

square

#2570A9 #A025A9 #A95E25 #2EA925

split-complementary

#2570A9 #A9252E #A9A025

monochromatic

#0F2D45 #1A4F77 #2570A9 #3890D3 #6AACDE

Accessibility & contrast

On white

5.29

#2570A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#2570A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2570A9

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2570A9	#FFFFFF	#000000	##FFFFFF
##2570A9	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5672AB

Deuteranopia (green-blind)

#4366A8

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #2570a9;
/* rgb */ color: rgb(37, 112, 169);
/* oklch */ color: oklch(52.8% 0.115 245.8);

Tailwind

colors: {
  custom: {
    50: '#7498c3',
    500: '#2570a9',
    950: '#000000',
  },
}

SCSS

$custom: #2570a9;
$custom-light: #7498c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2570a9",
  "rgb": {
    "r": 37,
    "g": 112,
    "b": 169
  },
  "hsl": {
    "h": 205.909,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52758,
    "c": 0.1151,
    "h": 245.8
  },
  "luminance": 0.14846
}

Semantic roles & 50–950 ramp

primary

#2570A9

secondary

#C48E65

accent

#8941E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #2570A9

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

Preview Lab → · Contrast checker → · Palette generator →