#153A4B#153A4B

#153A4B is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.051 H 231.1°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#153A4B
RGB	rgb(21, 58, 75)
HSL	hsl(199, 56%, 19%)
HSV	hsv(199, 72%, 29%)
CMYK	cmyk(72%, 22.7%, 0%, 70.6%)
CIE-LAB	lab(22.63, -6.90, -14.29)
CIE-LCH	lch(22.63, 15.87, 244.23°)
OKLab	oklab(33.01% -0.0323 -0.04)
OKLCH	oklch(33.01% 0.051 231.1)
XYZ	xyz(3.0918, 3.6932, 7.2052)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A4B #4B2615

analogous

#154B41 #153A4B #151F4B

triadic

#153A4B #4B153A #3A4B15

tetradic

#153A4B #41154B #4B2615 #1F4B15

square

#153A4B #41154B #4B2615 #1F4B15

split-complementary

#153A4B #4B151F #4B4115

monochromatic

#071218 #08151B #153A4B #225F7B #3084AB

Accessibility & contrast

On white

12.08

#153A4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#153A4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A4B

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A4B	#FFFFFF	#000000	##FFFFFF
##153A4B	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394C

Deuteranopia (green-blind)

#2A344B

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #153a4b;
/* rgb */ color: rgb(21, 58, 75);
/* oklch */ color: oklch(33.0% 0.051 231.1);

Tailwind

colors: {
  custom: {
    50: '#5a707d',
    500: '#153a4b',
    950: '#000000',
  },
}

SCSS

$custom: #153a4b;
$custom-light: #5a707d;
$custom-dark: #000000;

JSON

{
  "hex": "#153a4b",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 75
  },
  "hsl": {
    "h": 198.889,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33008,
    "c": 0.05141,
    "h": 231.1
  },
  "luminance": 0.03694
}

Semantic roles & 50–950 ramp

primary

#153A4B

secondary

#835039

accent

#7848E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #153A4B

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

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