#133F5F#133F5F

#133F5F is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.073 H 244.3°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#133F5F
RGB	rgb(19, 63, 95)
HSL	hsl(205, 67%, 22%)
HSV	hsv(205, 80%, 37%)
CMYK	cmyk(80%, 33.7%, 0%, 62.7%)
CIE-LAB	lab(25.32, -2.59, -23.24)
CIE-LCH	lch(25.32, 23.39, 263.65°)
OKLab	oklab(35.46% -0.0317 -0.0659)
OKLCH	oklch(35.46% 0.073 244.3)
XYZ	xyz(4.1108, 4.5192, 11.4799)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F5F #5F3313

analogous

#135F59 #133F5F #13195F

triadic

#133F5F #5F133F #3F5F13

tetradic

#133F5F #59135F #5F3313 #195F13

square

#133F5F #59135F #5F3313 #195F13

split-complementary

#133F5F #5F1319 #5F5913

monochromatic

#05111A #091D2C #133F5F #1D6192 #2783C5

Accessibility & contrast

On white

11.03

#133F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#133F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F5F

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F5F	#FFFFFF	#000000	##FFFFFF
##133F5F	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304060

Deuteranopia (green-blind)

#26395E

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133f5f;
/* rgb */ color: rgb(19, 63, 95);
/* oklch */ color: oklch(35.5% 0.073 244.3);

Tailwind

colors: {
  custom: {
    50: '#5d738c',
    500: '#133f5f',
    950: '#000000',
  },
}

SCSS

$custom: #133f5f;
$custom-light: #5d738c;
$custom-dark: #000000;

JSON

{
  "hex": "#133f5f",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 95
  },
  "hsl": {
    "h": 205.263,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35462,
    "c": 0.07313,
    "h": 244.3
  },
  "luminance": 0.0452
}

Semantic roles & 50–950 ramp

primary

#133F5F

secondary

#975F37

accent

#863EEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #133F5F

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

Preview Lab → · Contrast checker → · Palette generator →