#33657B#33657B

#33657B is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.1% C 0.064 H 228.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#33657B
RGB	rgb(51, 101, 123)
HSL	hsl(198, 41%, 34%)
HSV	hsv(198, 59%, 48%)
CMYK	cmyk(58.5%, 17.9%, 0%, 51.8%)
CIE-LAB	lab(40.31, -9.93, -17.42)
CIE-LCH	lch(40.31, 20.05, 240.31°)
OKLab	oklab(48.14% -0.0424 -0.0485)
OKLCH	oklch(48.14% 0.064 228.9)
XYZ	xyz(9.5927, 11.4404, 20.4377)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33657B #7B4933

analogous

#337B6D #33657B #33417B

triadic

#33657B #7B3365 #657B33

tetradic

#33657B #6D337B #7B4933 #417B33

square

#33657B #6D337B #7B4933 #417B33

split-complementary

#33657B #7B3341 #7B6D33

monochromatic

#0F1E24 #214150 #33657B #4589A6 #68A5C0

Accessibility & contrast

On white

6.39

#33657B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#33657B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33657B

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33657B	#FFFFFF	#000000	##FFFFFF
##33657B	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A637C

Deuteranopia (green-blind)

#4F5C7B

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #33657b;
/* rgb */ color: rgb(51, 101, 123);
/* oklch */ color: oklch(48.1% 0.064 228.9);

Tailwind

colors: {
  custom: {
    50: '#7191a1',
    500: '#33657b',
    950: '#000000',
  },
}

SCSS

$custom: #33657b;
$custom-light: #7191a1;
$custom-dark: #000000;

JSON

{
  "hex": "#33657b",
  "rgb": {
    "r": 51,
    "g": 101,
    "b": 123
  },
  "hsl": {
    "h": 198.333,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.48135,
    "c": 0.0644,
    "h": 228.9
  },
  "luminance": 0.11441
}

Semantic roles & 50–950 ramp

primary

#33657B

secondary

#A87762

accent

#7C57D1

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0F

muted

#7B7D7E

Preview Lab

Preview with #33657B

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

Preview Lab → · Contrast checker → · Palette generator →