#2578A2#2578A2

#2578A2 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.3% C 0.101 H 235.5°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2578A2
RGB	rgb(37, 120, 162)
HSL	hsl(200, 63%, 39%)
HSV	hsv(200, 77%, 64%)
CMYK	cmyk(77.2%, 25.9%, 0%, 36.5%)
CIE-LAB	lab(47.54, -9.82, -29.52)
CIE-LCH	lch(47.54, 31.12, 251.60°)
OKLab	oklab(54.32% -0.0572 -0.0833)
OKLCH	oklch(54.32% 0.101 235.5)
XYZ	xyz(13.9984, 16.4332, 36.6096)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2578A2 #A24F25

analogous

#25A28E #2578A2 #253AA2

triadic

#2578A2 #A22578 #78A225

tetradic

#2578A2 #8E25A2 #A24F25 #3AA225

square

#2578A2 #8E25A2 #A24F25 #3AA225

split-complementary

#2578A2 #A2253A #A28E25

monochromatic

#0E2E3E #1A5370 #2578A2 #349CD1 #65B4DC

Accessibility & contrast

On white

4.90

#2578A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#2578A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2578A2

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2578A2	#FFFFFF	#000000	##FFFFFF
##2578A2	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6477A4

Deuteranopia (green-blind)

#536CA1

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2578a2;
/* rgb */ color: rgb(37, 120, 162);
/* oklch */ color: oklch(54.3% 0.101 235.5);

Tailwind

colors: {
  custom: {
    50: '#739ebd',
    500: '#2578a2',
    950: '#000000',
  },
}

SCSS

$custom: #2578a2;
$custom-light: #739ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#2578a2",
  "rgb": {
    "r": 37,
    "g": 120,
    "b": 162
  },
  "hsl": {
    "h": 200.16,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.54323,
    "c": 0.10103,
    "h": 235.5
  },
  "luminance": 0.16435
}

Semantic roles & 50–950 ramp

primary

#2578A2

secondary

#C28261

accent

#7942E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2578A2

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

Preview Lab → · Contrast checker → · Palette generator →