#153F71#153F71

#153F71 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.098 H 255.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#153F71
RGB	rgb(21, 63, 113)
HSL	hsl(213, 69%, 26%)
HSV	hsv(213, 81%, 44%)
CMYK	cmyk(81.4%, 44.2%, 0%, 55.7%)
CIE-LAB	lab(26.47, 5.13, -32.98)
CIE-LCH	lch(26.47, 33.37, 278.84°)
OKLab	oklab(36.73% -0.0253 -0.0944)
OKLCH	oklch(36.73% 0.098 255)
XYZ	xyz(5.0663, 4.9061, 16.2995)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F71 #714715

analogous

#156D71 #153F71 #191571

triadic

#153F71 #71153F #3F7115

tetradic

#153F71 #71156D #714715 #157119

square

#153F71 #71156D #714715 #157119

split-complementary

#153F71 #711915 #6D7115

monochromatic

#050E1A #0B223D #153F71 #1F5CA5 #2979D7

Accessibility & contrast

On white

10.60

#153F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#153F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F71

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F71	#FFFFFF	#000000	##FFFFFF
##153F71	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264373

Deuteranopia (green-blind)

#163B70

Tritanopia (blue-blind)

#004B52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #153f71;
/* rgb */ color: rgb(21, 63, 113);
/* oklch */ color: oklch(36.7% 0.098 255.0);

Tailwind

colors: {
  custom: {
    50: '#62739a',
    500: '#153f71',
    950: '#000000',
  },
}

SCSS

$custom: #153f71;
$custom-light: #62739a;
$custom-dark: #000000;

JSON

{
  "hex": "#153f71",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 113
  },
  "hsl": {
    "h": 212.609,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36731,
    "c": 0.0977,
    "h": 255
  },
  "luminance": 0.04907
}

Semantic roles & 50–950 ramp

primary

#153F71

secondary

#A7763B

accent

#9C3CEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #153F71

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

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