#438CCF#438CCF

#438CCF is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.4% C 0.125 H 248.8°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#438CCF
RGB	rgb(67, 140, 207)
HSL	hsl(209, 59%, 54%)
HSV	hsv(209, 68%, 81%)
CMYK	cmyk(67.6%, 32.4%, 0%, 18.8%)
CIE-LAB	lab(56.54, -1.30, -41.18)
CIE-LCH	lch(56.54, 41.20, 268.18°)
OKLab	oklab(62.39% -0.0453 -0.1166)
OKLCH	oklch(62.39% 0.125 248.8)
XYZ	xyz(22.9511, 24.4520, 62.5295)
Luminance	0.2445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#438CCF #CF8643

analogous

#43CFCC #438CCF #4346CF

triadic

#438CCF #CF438C #8CCF43

tetradic

#438CCF #CC43CF #CF8643 #46CF43

square

#438CCF #CC43CF #CF8643 #46CF43

split-complementary

#438CCF #CF4346 #CFCC43

monochromatic

#1F4E79 #2B6DAA #438CCF #74AADB #A5C8E8

Accessibility & contrast

On white

3.56

#438CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#438CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438CCF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##438CCF	#FFFFFF	#000000	##000000
##438CCF	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8FD2

Deuteranopia (green-blind)

#5B82CE

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #438ccf;
/* rgb */ color: rgb(67, 140, 207);
/* oklch */ color: oklch(62.4% 0.125 248.8);

Tailwind

colors: {
  custom: {
    50: '#86adde',
    500: '#438ccf',
    950: '#000000',
  },
}

SCSS

$custom: #438ccf;
$custom-light: #86adde;
$custom-dark: #000000;

JSON

{
  "hex": "#438ccf",
  "rgb": {
    "r": 67,
    "g": 140,
    "b": 207
  },
  "hsl": {
    "h": 208.714,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.6239,
    "c": 0.12511,
    "h": 248.8
  },
  "luminance": 0.24454
}

Semantic roles & 50–950 ramp

primary

#438CCF

secondary

#D5B699

accent

#9145E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #438CCF

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

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