#153E7A#153E7A

#153E7A is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.112 H 258.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#153E7A
RGB	rgb(21, 62, 122)
HSL	hsl(216, 71%, 28%)
HSV	hsv(216, 83%, 48%)
CMYK	cmyk(82.8%, 49.2%, 0%, 52.2%)
CIE-LAB	lab(26.76, 9.59, -38.20)
CIE-LCH	lch(26.76, 39.38, 284.09°)
OKLab	oklab(37.16% -0.0225 -0.1097)
OKLCH	oklch(37.16% 0.112 258.4)
XYZ	xyz(5.5434, 5.0092, 19.0833)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E7A #7A5115

analogous

#15707A #153E7A #1F157A

triadic

#153E7A #7A153E #3E7A15

tetradic

#153E7A #7A1570 #7A5115 #157A1F

square

#153E7A #7A1570 #7A5115 #157A1F

split-complementary

#153E7A #7A1F15 #707A15

monochromatic

#040D1A #0C2346 #153E7A #1E59AE #2E74DB

Accessibility & contrast

On white

10.49

#153E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#153E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E7A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E7A	#FFFFFF	#000000	##FFFFFF
##153E7A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D447C

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #153e7a;
/* rgb */ color: rgb(21, 62, 122);
/* oklch */ color: oklch(37.2% 0.112 258.4);

Tailwind

colors: {
  custom: {
    50: '#6472a1',
    500: '#153e7a',
    950: '#000000',
  },
}

SCSS

$custom: #153e7a;
$custom-light: #6472a1;
$custom-dark: #000000;

JSON

{
  "hex": "#153e7a",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 122
  },
  "hsl": {
    "h": 215.644,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37156,
    "c": 0.11204,
    "h": 258.4
  },
  "luminance": 0.0501
}

Semantic roles & 50–950 ramp

primary

#153E7A

secondary

#AF803B

accent

#A53AED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #153E7A

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

Preview Lab → · Contrast checker → · Palette generator →