#438BBB#438BBB

#438BBB is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.1% C 0.103 H 240.5°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#438BBB
RGB	rgb(67, 139, 187)
HSL	hsl(204, 47%, 50%)
HSV	hsv(204, 64%, 73%)
CMYK	cmyk(64.2%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(55.32, -7.51, -31.75)
CIE-LCH	lch(55.32, 32.63, 256.70°)
OKLab	oklab(61.13% -0.0505 -0.0893)
OKLCH	oklch(61.13% 0.103 240.5)
XYZ	xyz(20.5136, 23.2443, 50.4096)
Luminance	0.2325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#438BBB #BB7343

analogous

#43BBAF #438BBB #434FBB

triadic

#438BBB #BB438B #8BBB43

tetradic

#438BBB #AF43BB #BB7343 #4FBB43

square

#438BBB #AF43BB #BB7343 #4FBB43

split-complementary

#438BBB #BB434F #BBAF43

monochromatic

#234861 #336A8E #438BBB #70A7CC #9DC3DC

Accessibility & contrast

On white

3.72

#438BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#438BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438BBB

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##438BBB	#FFFFFF	#000000	##000000
##438BBB	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758BBD

Deuteranopia (green-blind)

#657FBA

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #438bbb;
/* rgb */ color: rgb(67, 139, 187);
/* oklch */ color: oklch(61.1% 0.103 240.5);

Tailwind

colors: {
  custom: {
    50: '#83accf',
    500: '#438bbb',
    950: '#000000',
  },
}

SCSS

$custom: #438bbb;
$custom-light: #83accf;
$custom-dark: #000000;

JSON

{
  "hex": "#438bbb",
  "rgb": {
    "r": 67,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 204,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.61129,
    "c": 0.10254,
    "h": 240.5
  },
  "luminance": 0.23246
}

Semantic roles & 50–950 ramp

primary

#438BBB

secondary

#C8A792

accent

#8751D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #438BBB

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

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