#398DDB#398DDB

#398DDB is a light, vivid cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.143 H 249.8°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#398DDB
RGB	rgb(57, 141, 219)
HSL	hsl(209, 69%, 54%)
HSV	hsv(209, 74%, 86%)
CMYK	cmyk(74%, 35.6%, 0%, 14.1%)
CIE-LAB	lab(57.11, 0.89, -47.04)
CIE-LCH	lch(57.11, 47.05, 271.08°)
OKLab	oklab(62.94% -0.0492 -0.1338)
OKLCH	oklch(62.94% 0.143 249.8)
XYZ	xyz(23.9936, 25.0313, 70.5711)
Luminance	0.2503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398DDB #DB8739

analogous

#39DBD8 #398DDB #393CDB

triadic

#398DDB #DB398D #8DDB39

tetradic

#398DDB #D839DB #DB8739 #3CDB39

square

#398DDB #D839DB #DB8739 #3CDB39

split-complementary

#398DDB #DB393C #DBD839

monochromatic

#184F82 #216EB6 #398DDB #6DABE4 #A1C9EE

Accessibility & contrast

On white

3.50

#398DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#398DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DDB

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398DDB	#FFFFFF	#000000	##000000
##398DDB	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6991DE

Deuteranopia (green-blind)

#5182D9

Tritanopia (blue-blind)

#00A0AA

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #398ddb;
/* rgb */ color: rgb(57, 141, 219);
/* oklch */ color: oklch(62.9% 0.143 249.8);

Tailwind

colors: {
  custom: {
    50: '#84ade6',
    500: '#398ddb',
    950: '#000000',
  },
}

SCSS

$custom: #398ddb;
$custom-light: #84ade6;
$custom-dark: #000000;

JSON

{
  "hex": "#398ddb",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 219
  },
  "hsl": {
    "h": 208.889,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62943,
    "c": 0.14259,
    "h": 249.8
  },
  "luminance": 0.25034
}

Semantic roles & 50–950 ramp

primary

#398DDB

secondary

#DAB795

accent

#913CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #398DDB

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

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