#2570BD#2570BD

#2570BD is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.140 H 252.6°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#2570BD
RGB	rgb(37, 112, 189)
HSL	hsl(210, 67%, 44%)
HSV	hsv(210, 80%, 74%)
CMYK	cmyk(80.4%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(46.52, 5.10, -46.85)
CIE-LCH	lch(46.52, 47.12, 276.21°)
OKLab	oklab(53.97% -0.0419 -0.134)
OKLCH	oklch(53.97% 0.14 252.6)
XYZ	xyz(15.7390, 15.6539, 50.3262)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2570BD #BD7225

analogous

#25BCBD #2570BD #2625BD

triadic

#2570BD #BD2570 #70BD25

tetradic

#2570BD #BD25BC #BD7225 #25BD26

square

#2570BD #BD25BC #BD7225 #25BD26

split-complementary

#2570BD #BD2625 #BCBD25

monochromatic

#113357 #1B528A #2570BD #458FDB #78ADE5

Accessibility & contrast

On white

5.08

#2570BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#2570BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2570BD

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2570BD	#FFFFFF	#000000	##FFFFFF
##2570BD	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A76C0

Deuteranopia (green-blind)

#3168BB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2570bd;
/* rgb */ color: rgb(37, 112, 189);
/* oklch */ color: oklch(54.0% 0.140 252.6);

Tailwind

colors: {
  custom: {
    50: '#7898d1',
    500: '#2570bd',
    950: '#000000',
  },
}

SCSS

$custom: #2570bd;
$custom-light: #7898d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2570bd",
  "rgb": {
    "r": 37,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 210.395,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53975,
    "c": 0.14038,
    "h": 252.6
  },
  "luminance": 0.15656
}

Semantic roles & 50–950 ramp

primary

#2570BD

secondary

#CC9F72

accent

#953EEA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2570BD

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

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