#398CC9#398CC9

#398CC9 is a mid, vivid cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.122 H 244.1°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#398CC9
RGB	rgb(57, 140, 201)
HSL	hsl(205, 57%, 51%)
HSV	hsv(205, 72%, 79%)
CMYK	cmyk(71.6%, 30.3%, 0%, 21.2%)
CIE-LAB	lab(55.93, -4.89, -38.77)
CIE-LCH	lch(55.93, 39.08, 262.81°)
OKLab	oklab(61.72% -0.0533 -0.1097)
OKLCH	oklch(61.72% 0.122 244.1)
XYZ	xyz(21.6040, 23.8407, 58.7101)
Luminance	0.2384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CC9 #C97639

analogous

#39C9BE #398CC9 #3944C9

triadic

#398CC9 #C9398C #8CC939

tetradic

#398CC9 #BE39C9 #C97639 #44C939

square

#398CC9 #BE39C9 #C97639 #44C939

split-complementary

#398CC9 #C93944 #C9BE39

monochromatic

#1D4A6B #2A6B9B #398CC9 #69A8D6 #99C4E3

Accessibility & contrast

On white

3.64

#398CC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#398CC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CC9

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CC9	#FFFFFF	#000000	##000000
##398CC9	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708ECC

Deuteranopia (green-blind)

#5C80C8

Tritanopia (blue-blind)

#009BA2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #398cc9;
/* rgb */ color: rgb(57, 140, 201);
/* oklch */ color: oklch(61.7% 0.122 244.1);

Tailwind

colors: {
  custom: {
    50: '#81add9',
    500: '#398cc9',
    950: '#000000',
  },
}

SCSS

$custom: #398cc9;
$custom-light: #81add9;
$custom-dark: #000000;

JSON

{
  "hex": "#398cc9",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 201
  },
  "hsl": {
    "h": 205.417,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.61725,
    "c": 0.12199,
    "h": 244.1
  },
  "luminance": 0.23843
}

Semantic roles & 50–950 ramp

primary

#398CC9

secondary

#CFAA8F

accent

#8847E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #398CC9

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

Preview Lab → · Contrast checker → · Palette generator →