#3978A2#3978A2

#3978A2 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.092 H 240.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3978A2
RGB	rgb(57, 120, 162)
HSL	hsl(204, 48%, 43%)
HSV	hsv(204, 65%, 64%)
CMYK	cmyk(64.8%, 25.9%, 0%, 36.5%)
CIE-LAB	lab(48.15, -6.75, -28.53)
CIE-LCH	lch(48.15, 29.32, 256.68°)
OKLab	oklab(54.98% -0.0454 -0.0802)
OKLCH	oklch(54.98% 0.092 240.5)
XYZ	xyz(14.9229, 16.9099, 36.6529)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3978A2 #A26339

analogous

#39A297 #3978A2 #3943A2

triadic

#3978A2 #A23978 #78A239

tetradic

#3978A2 #9739A2 #A26339 #43A239

square

#3978A2 #9739A2 #A26339 #43A239

split-complementary

#3978A2 #A23943 #A29739

monochromatic

#193547 #295675 #3978A2 #5597C3 #82B3D3

Accessibility & contrast

On white

4.79

#3978A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3978A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3978A2

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3978A2	#FFFFFF	#000000	##FFFFFF
##3978A2	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6578A4

Deuteranopia (green-blind)

#576EA1

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3978a2;
/* rgb */ color: rgb(57, 120, 162);
/* oklch */ color: oklch(55.0% 0.092 240.5);

Tailwind

colors: {
  custom: {
    50: '#7a9ebd',
    500: '#3978a2',
    950: '#000000',
  },
}

SCSS

$custom: #3978a2;
$custom-light: #7a9ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#3978a2",
  "rgb": {
    "r": 57,
    "g": 120,
    "b": 162
  },
  "hsl": {
    "h": 204,
    "s": 47.945,
    "l": 42.941
  },
  "oklch": {
    "l": 0.54978,
    "c": 0.09215,
    "h": 240.5
  },
  "luminance": 0.16911
}

Semantic roles & 50–950 ramp

primary

#3978A2

secondary

#BD957A

accent

#8650D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3978A2

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

Preview Lab → · Contrast checker → · Palette generator →