#399EDA#399EDA

#399EDA is a light, vivid cyan. Relative luminance 0.304; OKLCH L 66.8% C 0.128 H 239.2°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#399EDA
RGB	rgb(57, 158, 218)
HSL	hsl(202, 69%, 54%)
HSV	hsv(202, 74%, 85%)
CMYK	cmyk(73.9%, 27.5%, 0%, 14.5%)
CIE-LAB	lab(61.98, -9.23, -38.80)
CIE-LCH	lch(61.98, 39.88, 256.62°)
OKLab	oklab(66.77% -0.0652 -0.1096)
OKLCH	oklch(66.77% 0.128 239.2)
XYZ	xyz(26.5641, 30.3824, 70.7805)
Luminance	0.3039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EDA #DA7539

analogous

#39DAC6 #399EDA #394EDA

triadic

#399EDA #DA399E #9EDA39

tetradic

#399EDA #C639DA #DA7539 #4EDA39

square

#399EDA #C639DA #DA7539 #4EDA39

split-complementary

#399EDA #DA394E #DAC639

monochromatic

#185A81 #227EB4 #399EDA #6DB7E4 #A0D1ED

Accessibility & contrast

On white

2.97

#399EDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#399EDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #399EDA

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EDA	#FFFFFF	#000000	##000000
##399EDA	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829EDD

Deuteranopia (green-blind)

#6C8FD9

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #399eda;
/* rgb */ color: rgb(57, 158, 218);
/* oklch */ color: oklch(66.8% 0.128 239.2);

Tailwind

colors: {
  custom: {
    50: '#84bae5',
    500: '#399eda',
    950: '#000000',
  },
}

SCSS

$custom: #399eda;
$custom-light: #84bae5;
$custom-dark: #000000;

JSON

{
  "hex": "#399eda",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 218
  },
  "hsl": {
    "h": 202.36,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.66775,
    "c": 0.12754,
    "h": 239.2
  },
  "luminance": 0.30386
}

Semantic roles & 50–950 ramp

primary

#399EDA

secondary

#DAAF95

accent

#7E3CEB

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1116

muted

#7D8084

Preview Lab

Preview with #399EDA

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

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