#2570A5#2570A5

#2570A5 is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.5% C 0.110 H 243.9°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#2570A5
RGB	rgb(37, 112, 165)
HSL	hsl(205, 63%, 40%)
HSV	hsv(205, 78%, 65%)
CMYK	cmyk(77.6%, 32.1%, 0%, 35.3%)
CIE-LAB	lab(45.22, -3.98, -34.92)
CIE-LCH	lch(45.22, 35.15, 263.50°)
OKLab	oklab(52.53% -0.0484 -0.0991)
OKLCH	oklch(52.53% 0.11 243.9)
XYZ	xyz(13.3460, 14.6967, 37.7234)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2570A5 #A55A25

analogous

#25A59A #2570A5 #2530A5

triadic

#2570A5 #A52570 #70A525

tetradic

#2570A5 #9A25A5 #A55A25 #30A525

square

#2570A5 #9A25A5 #A55A25 #30A525

split-complementary

#2570A5 #A52530 #A59A25

monochromatic

#0F2C41 #1A4E73 #2570A5 #3591D2 #67ACDD

Accessibility & contrast

On white

5.33

#2570A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#2570A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2570A5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2570A5	#FFFFFF	#000000	##FFFFFF
##2570A5	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5772A7

Deuteranopia (green-blind)

#4666A4

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #2570a5;
/* rgb */ color: rgb(37, 112, 165);
/* oklch */ color: oklch(52.5% 0.110 243.9);

Tailwind

colors: {
  custom: {
    50: '#7398c0',
    500: '#2570a5',
    950: '#000000',
  },
}

SCSS

$custom: #2570a5;
$custom-light: #7398c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2570a5",
  "rgb": {
    "r": 37,
    "g": 112,
    "b": 165
  },
  "hsl": {
    "h": 204.844,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.52529,
    "c": 0.11027,
    "h": 243.9
  },
  "luminance": 0.14698
}

Semantic roles & 50–950 ramp

primary

#2570A5

secondary

#C38B63

accent

#8641E6

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #2570A5

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

Preview Lab → · Contrast checker → · Palette generator →