#153E8E#153E8E

#153E8E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.141 H 261.9°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#153E8E
RGB	rgb(21, 62, 142)
HSL	hsl(220, 74%, 32%)
HSV	hsv(220, 85%, 56%)
CMYK	cmyk(85.2%, 56.3%, 0%, 44.3%)
CIE-LAB	lab(28.27, 17.91, -48.23)
CIE-LCH	lch(28.27, 51.44, 290.37°)
OKLab	oklab(38.78% -0.0198 -0.1393)
OKLCH	oklch(38.78% 0.141 261.9)
XYZ	xyz(6.9126, 5.5568, 26.2942)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E8E #8E6515

analogous

#157B8E #153E8E #28158E

triadic

#153E8E #8E153E #3E8E15

tetradic

#153E8E #8E157B #8E6515 #158E28

square

#153E8E #8E157B #8E6515 #158E28

split-complementary

#153E8E #8E2815 #7B8E15

monochromatic

#050F23 #0D2759 #153E8E #1D55C3 #3B74E2

Accessibility & contrast

On white

9.95

#153E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#153E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E8E

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E8E	#FFFFFF	#000000	##FFFFFF
##153E8E	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #153e8e;
/* rgb */ color: rgb(21, 62, 142);
/* oklch */ color: oklch(38.8% 0.141 261.9);

Tailwind

colors: {
  custom: {
    50: '#6a72b0',
    500: '#153e8e',
    950: '#000000',
  },
}

SCSS

$custom: #153e8e;
$custom-light: #6a72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#153e8e",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 142
  },
  "hsl": {
    "h": 219.669,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38782,
    "c": 0.14065,
    "h": 261.9
  },
  "luminance": 0.05558
}

Semantic roles & 50–950 ramp

primary

#153E8E

secondary

#C2953D

accent

#B237F1

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #153E8E

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

Preview Lab → · Contrast checker → · Palette generator →