#153E7F#153E7F

#153E7F is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.119 H 259.5°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#153E7F
RGB	rgb(21, 62, 127)
HSL	hsl(217, 72%, 29%)
HSV	hsv(217, 83%, 50%)
CMYK	cmyk(83.5%, 51.2%, 0%, 50.2%)
CIE-LAB	lab(27.12, 11.68, -40.76)
CIE-LCH	lch(27.12, 42.40, 285.99°)
OKLab	oklab(37.55% -0.0217 -0.1173)
OKLCH	oklch(37.55% 0.119 259.5)
XYZ	xyz(5.8613, 5.1363, 20.7570)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E7F #7F5615

analogous

#15737F #153E7F #21157F

triadic

#153E7F #7F153E #3E7F15

tetradic

#153E7F #7F1573 #7F5615 #157F21

square

#153E7F #7F1573 #7F5615 #157F21

split-complementary

#153E7F #7F2115 #737F15

monochromatic

#040D1A #0C244A #153E7F #1E58B4 #3174DD

Accessibility & contrast

On white

10.36

#153E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#153E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E7F

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E7F	#FFFFFF	#000000	##FFFFFF
##153E7F	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174581

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153e7f;
/* rgb */ color: rgb(21, 62, 127);
/* oklch */ color: oklch(37.5% 0.119 259.5);

Tailwind

colors: {
  custom: {
    50: '#6672a5',
    500: '#153e7f',
    950: '#000000',
  },
}

SCSS

$custom: #153e7f;
$custom-light: #6672a5;
$custom-dark: #000000;

JSON

{
  "hex": "#153e7f",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 127
  },
  "hsl": {
    "h": 216.792,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37546,
    "c": 0.11928,
    "h": 259.5
  },
  "luminance": 0.05137
}

Semantic roles & 50–950 ramp

primary

#153E7F

secondary

#B4863C

accent

#A839EE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #153E7F

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

Preview Lab → · Contrast checker → · Palette generator →