#33688B#33688B

#33688B is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.7% C 0.080 H 240.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#33688B
RGB	rgb(51, 104, 139)
HSL	hsl(204, 46%, 37%)
HSV	hsv(204, 63%, 55%)
CMYK	cmyk(63.3%, 25.2%, 0%, 45.5%)
CIE-LAB	lab(41.95, -6.31, -24.56)
CIE-LCH	lch(41.95, 25.36, 255.59°)
OKLab	oklab(49.66% -0.0398 -0.0689)
OKLCH	oklch(49.66% 0.08 240)
XYZ	xyz(10.9740, 12.4675, 26.2492)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33688B #8B5633

analogous

#338B82 #33688B #333C8B

triadic

#33688B #8B3368 #688B33

tetradic

#33688B #82338B #8B5633 #3C8B33

square

#33688B #82338B #8B5633 #3C8B33

split-complementary

#33688B #8B333C #8B8233

monochromatic

#122531 #23475E #33688B #4389B8 #6EA6CA

Accessibility & contrast

On white

6.01

#33688B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#33688B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33688B

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33688B	#FFFFFF	#000000	##FFFFFF
##33688B	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58688D

Deuteranopia (green-blind)

#4C5F8A

Tritanopia (blue-blind)

#007174

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #33688b;
/* rgb */ color: rgb(51, 104, 139);
/* oklch */ color: oklch(49.7% 0.080 240.0);

Tailwind

colors: {
  custom: {
    50: '#7393ad',
    500: '#33688b',
    950: '#000000',
  },
}

SCSS

$custom: #33688b;
$custom-light: #7393ad;
$custom-dark: #000000;

JSON

{
  "hex": "#33688b",
  "rgb": {
    "r": 51,
    "g": 104,
    "b": 139
  },
  "hsl": {
    "h": 203.864,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.49664,
    "c": 0.07962,
    "h": 240
  },
  "luminance": 0.12469
}

Semantic roles & 50–950 ramp

primary

#33688B

secondary

#B28568

accent

#8652D6

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #33688B

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

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