#3490BB#3490BB

#3490BB is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.107 H 232.7°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3490BB
RGB	rgb(52, 144, 187)
HSL	hsl(199, 56%, 47%)
HSV	hsv(199, 72%, 73%)
CMYK	cmyk(72.2%, 23%, 0%, 26.7%)
CIE-LAB	lab(56.35, -12.70, -30.19)
CIE-LCH	lch(56.35, 32.75, 247.18°)
OKLab	oklab(61.81% -0.0647 -0.0849)
OKLCH	oklch(61.81% 0.107 232.7)
XYZ	xyz(20.3555, 24.2621, 50.6143)
Luminance	0.2426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3490BB #BB5F34

analogous

#34BBA3 #3490BB #344DBB

triadic

#3490BB #BB3490 #90BB34

tetradic

#3490BB #A334BB #BB5F34 #4DBB34

square

#3490BB #A334BB #BB5F34 #4DBB34

split-complementary

#3490BB #BB344D #BBA334

monochromatic

#19465B #276B8B #3490BB #5BACD1 #8BC4DF

Accessibility & contrast

On white

3.59

#3490BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#3490BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3490BB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3490BB	#FFFFFF	#000000	##000000
##3490BB	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8EBD

Deuteranopia (green-blind)

#6881BA

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3490bb;
/* rgb */ color: rgb(52, 144, 187);
/* oklch */ color: oklch(61.8% 0.107 232.7);

Tailwind

colors: {
  custom: {
    50: '#7db0cf',
    500: '#3490bb',
    950: '#000000',
  },
}

SCSS

$custom: #3490bb;
$custom-light: #7db0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3490bb",
  "rgb": {
    "r": 52,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 199.111,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.61813,
    "c": 0.10669,
    "h": 232.7
  },
  "luminance": 0.24264
}

Semantic roles & 50–950 ramp

primary

#3490BB

secondary

#C99982

accent

#7848E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3490BB

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

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