#153C63#153C63

#153C63 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.081 H 251.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#153C63
RGB	rgb(21, 60, 99)
HSL	hsl(210, 65%, 24%)
HSV	hsv(210, 79%, 39%)
CMYK	cmyk(78.8%, 39.4%, 0%, 61.2%)
CIE-LAB	lab(24.61, 1.38, -26.95)
CIE-LCH	lch(24.61, 26.98, 272.94°)
OKLab	oklab(35% -0.026 -0.0767)
OKLCH	oklch(35% 0.081 251.3)
XYZ	xyz(4.1764, 4.2915, 12.4102)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C63 #633C15

analogous

#156363 #153C63 #151563

triadic

#153C63 #63153C #3C6315

tetradic

#153C63 #631563 #633C15 #156315

square

#153C63 #631563 #633C15 #156315

split-complementary

#153C63 #631515 #636315

monochromatic

#050F19 #0A1D31 #153C63 #205B95 #2A79C8

Accessibility & contrast

On white

11.30

#153C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C63

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C63	#FFFFFF	#000000	##FFFFFF
##153C63	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3E65

Deuteranopia (green-blind)

#1E3762

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153c63;
/* rgb */ color: rgb(21, 60, 99);
/* oklch */ color: oklch(35.0% 0.081 251.3);

Tailwind

colors: {
  custom: {
    50: '#5f718f',
    500: '#153c63',
    950: '#000000',
  },
}

SCSS

$custom: #153c63;
$custom-light: #5f718f;
$custom-dark: #000000;

JSON

{
  "hex": "#153c63",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 99
  },
  "hsl": {
    "h": 210,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35001,
    "c": 0.08101,
    "h": 251.3
  },
  "luminance": 0.04292
}

Semantic roles & 50–950 ramp

primary

#153C63

secondary

#9A6A3A

accent

#9440E8

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153C63

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

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