#3490C9#3490C9

#3490C9 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.5% C 0.121 H 240.3°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3490C9
RGB	rgb(52, 144, 201)
HSL	hsl(203, 59%, 50%)
HSV	hsv(203, 74%, 79%)
CMYK	cmyk(74.1%, 28.4%, 0%, 21.2%)
CIE-LAB	lab(56.97, -7.86, -37.15)
CIE-LCH	lch(56.97, 37.97, 258.05°)
OKLab	oklab(62.51% -0.0599 -0.105)
OKLCH	oklch(62.51% 0.121 240.3)
XYZ	xyz(21.9279, 24.8911, 58.8958)
Luminance	0.2489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3490C9 #C96D34

analogous

#34C9B8 #3490C9 #3446C9

triadic

#3490C9 #C93490 #90C934

tetradic

#3490C9 #B834C9 #C96D34 #46C934

square

#3490C9 #B834C9 #C96D34 #46C934

split-complementary

#3490C9 #C93446 #C9B834

monochromatic

#1B4A68 #276D98 #3490C9 #63ABD7 #94C5E3

Accessibility & contrast

On white

3.51

#3490C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#3490C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3490C9

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3490C9	#FFFFFF	#000000	##000000
##3490C9	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CC

Deuteranopia (green-blind)

#6182C8

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3490c9;
/* rgb */ color: rgb(52, 144, 201);
/* oklch */ color: oklch(62.5% 0.121 240.3);

Tailwind

colors: {
  custom: {
    50: '#7fb0d9',
    500: '#3490c9',
    950: '#000000',
  },
}

SCSS

$custom: #3490c9;
$custom-light: #7fb0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3490c9",
  "rgb": {
    "r": 52,
    "g": 144,
    "b": 201
  },
  "hsl": {
    "h": 202.953,
    "s": 58.893,
    "l": 49.608
  },
  "oklch": {
    "l": 0.62509,
    "c": 0.1209,
    "h": 240.3
  },
  "luminance": 0.24894
}

Semantic roles & 50–950 ramp

primary

#3490C9

secondary

#CEA48A

accent

#8246E2

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3490C9

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

Preview Lab → · Contrast checker → · Palette generator →