#153A63#153A63

#153A63 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.083 H 253.3°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#153A63
RGB	rgb(21, 58, 99)
HSL	hsl(212, 65%, 24%)
HSV	hsv(212, 79%, 39%)
CMYK	cmyk(78.8%, 41.4%, 0%, 61.2%)
CIE-LAB	lab(23.95, 2.77, -28.00)
CIE-LCH	lch(23.95, 28.13, 275.64°)
OKLab	oklab(34.49% -0.0239 -0.0798)
OKLCH	oklch(34.49% 0.083 253.3)
XYZ	xyz(4.0736, 4.0859, 12.3759)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A63 #633E15

analogous

#156163 #153A63 #171563

triadic

#153A63 #63153A #3A6315

tetradic

#153A63 #631561 #633E15 #156317

square

#153A63 #631561 #633E15 #156317

split-complementary

#153A63 #631715 #616315

monochromatic

#050F19 #0A1C31 #153A63 #205895 #2A75C8

Accessibility & contrast

On white

11.56

#153A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#153A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A63

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A63	#FFFFFF	#000000	##FFFFFF
##153A63	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273D65

Deuteranopia (green-blind)

#1B3662

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153a63;
/* rgb */ color: rgb(21, 58, 99);
/* oklch */ color: oklch(34.5% 0.083 253.3);

Tailwind

colors: {
  custom: {
    50: '#5f6f8f',
    500: '#153a63',
    950: '#000000',
  },
}

SCSS

$custom: #153a63;
$custom-light: #5f6f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#153a63",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 99
  },
  "hsl": {
    "h": 211.538,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34485,
    "c": 0.08334,
    "h": 253.3
  },
  "luminance": 0.04086
}

Semantic roles & 50–950 ramp

primary

#153A63

secondary

#9A6C3A

accent

#9840E8

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153A63

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

Preview Lab → · Contrast checker → · Palette generator →