#153C58#153C58

#153C58 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.066 H 243.3°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#153C58
RGB	rgb(21, 60, 88)
HSL	hsl(205, 61%, 21%)
HSV	hsv(205, 76%, 35%)
CMYK	cmyk(76.1%, 31.8%, 0%, 65.5%)
CIE-LAB	lab(23.98, -3.10, -20.77)
CIE-LCH	lch(23.98, 21.00, 261.50°)
OKLab	oklab(34.3% -0.0295 -0.0587)
OKLCH	oklch(34.3% 0.066 243.3)
XYZ	xyz(3.6859, 4.0953, 9.8268)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C58 #583115

analogous

#155853 #153C58 #151B58

triadic

#153C58 #58153C #3C5815

tetradic

#153C58 #531558 #583115 #1B5815

square

#153C58 #531558 #583115 #1B5815

split-complementary

#153C58 #58151B #585315

monochromatic

#061119 #091A27 #153C58 #215E89 #2D7FBB

Accessibility & contrast

On white

11.54

#153C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#153C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C58

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C58	#FFFFFF	#000000	##FFFFFF
##153C58	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3D59

Deuteranopia (green-blind)

#263657

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153c58;
/* rgb */ color: rgb(21, 60, 88);
/* oklch */ color: oklch(34.3% 0.066 243.3);

Tailwind

colors: {
  custom: {
    50: '#5c7187',
    500: '#153c58',
    950: '#000000',
  },
}

SCSS

$custom: #153c58;
$custom-light: #5c7187;
$custom-dark: #000000;

JSON

{
  "hex": "#153c58",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 205.075,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.343,
    "c": 0.06573,
    "h": 243.3
  },
  "luminance": 0.04096
}

Semantic roles & 50–950 ramp

primary

#153C58

secondary

#905D39

accent

#8743E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153C58

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

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