#153C5E#153C5E

#153C5E is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.074 H 248.1°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#153C5E
RGB	rgb(21, 60, 94)
HSL	hsl(208, 63%, 23%)
HSV	hsv(208, 78%, 37%)
CMYK	cmyk(77.7%, 36.2%, 0%, 63.1%)
CIE-LAB	lab(24.32, -0.67, -24.17)
CIE-LCH	lch(24.32, 24.18, 268.40°)
OKLab	oklab(34.67% -0.0275 -0.0686)
OKLCH	oklch(34.67% 0.074 248.1)
XYZ	xyz(3.9447, 4.1989, 11.1901)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C5E #5E3715

analogous

#155E5B #153C5E #15185E

triadic

#153C5E #5E153C #3C5E15

tetradic

#153C5E #5B155E #5E3715 #185E15

square

#153C5E #5B155E #5E3715 #185E15

split-complementary

#153C5E #5E1518 #5E5B15

monochromatic

#061019 #0A1C2C #153C5E #205C90 #2B7CC2

Accessibility & contrast

On white

11.41

#153C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#153C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C5E

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C5E	#FFFFFF	#000000	##FFFFFF
##153C5E	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3E5F

Deuteranopia (green-blind)

#22375D

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153c5e;
/* rgb */ color: rgb(21, 60, 94);
/* oklch */ color: oklch(34.7% 0.074 248.1);

Tailwind

colors: {
  custom: {
    50: '#5d718c',
    500: '#153c5e',
    950: '#000000',
  },
}

SCSS

$custom: #153c5e;
$custom-light: #5d718c;
$custom-dark: #000000;

JSON

{
  "hex": "#153c5e",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 94
  },
  "hsl": {
    "h": 207.945,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34673,
    "c": 0.07391,
    "h": 248.1
  },
  "luminance": 0.04199
}

Semantic roles & 50–950 ramp

primary

#153C5E

secondary

#956439

accent

#8E41E7

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153C5E

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

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