#153F6C#153F6C

#153F6C is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.4% C 0.090 H 252.9°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#153F6C
RGB	rgb(21, 63, 108)
HSL	hsl(211, 67%, 25%)
HSV	hsv(211, 81%, 42%)
CMYK	cmyk(80.6%, 41.7%, 0%, 57.6%)
CIE-LAB	lab(26.15, 3.05, -30.30)
CIE-LCH	lch(26.15, 30.45, 275.75°)
OKLab	oklab(36.38% -0.0265 -0.0865)
OKLCH	oklch(36.38% 0.09 252.9)
XYZ	xyz(4.7925, 4.7966, 14.8577)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F6C #6C4215

analogous

#156B6C #153F6C #16156C

triadic

#153F6C #6C153F #3F6C15

tetradic

#153F6C #6C156B #6C4215 #156C16

square

#153F6C #6C156B #6C4215 #156C16

split-complementary

#153F6C #6C1615 #6B6C15

monochromatic

#050F1A #0B2139 #153F6C #1F5D9F #297BD2

Accessibility & contrast

On white

10.72

#153F6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#153F6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F6C

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F6C	#FFFFFF	#000000	##FFFFFF
##153F6C	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A426E

Deuteranopia (green-blind)

#1C3A6B

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153f6c;
/* rgb */ color: rgb(21, 63, 108);
/* oklch */ color: oklch(36.4% 0.090 252.9);

Tailwind

colors: {
  custom: {
    50: '#617396',
    500: '#153f6c',
    950: '#000000',
  },
}

SCSS

$custom: #153f6c;
$custom-light: #617396;
$custom-dark: #000000;

JSON

{
  "hex": "#153f6c",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 108
  },
  "hsl": {
    "h": 211.034,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3638,
    "c": 0.09048,
    "h": 252.9
  },
  "luminance": 0.04797
}

Semantic roles & 50–950 ramp

primary

#153F6C

secondary

#A3703A

accent

#973DEA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #153F6C

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

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