#153E6C#153E6C

#153E6C is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.092 H 253.8°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#153E6C
RGB	rgb(21, 62, 108)
HSL	hsl(212, 67%, 25%)
HSV	hsv(212, 81%, 42%)
CMYK	cmyk(80.6%, 42.6%, 0%, 57.6%)
CIE-LAB	lab(25.82, 3.74, -30.81)
CIE-LCH	lch(25.82, 31.04, 276.92°)
OKLab	oklab(36.13% -0.0255 -0.088)
OKLCH	oklch(36.13% 0.092 253.8)
XYZ	xyz(4.7376, 4.6868, 14.8394)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E6C #6C4315

analogous

#15696C #153E6C #17156C

triadic

#153E6C #6C153E #3E6C15

tetradic

#153E6C #6C1569 #6C4315 #156C17

square

#153E6C #6C1569 #6C4315 #156C17

split-complementary

#153E6C #6C1715 #696C15

monochromatic

#050F1A #0B2139 #153E6C #1F5B9F #2979D2

Accessibility & contrast

On white

10.84

#153E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#153E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E6C

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E6C	#FFFFFF	#000000	##FFFFFF
##153E6C	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28416E

Deuteranopia (green-blind)

#1A396B

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153e6c;
/* rgb */ color: rgb(21, 62, 108);
/* oklch */ color: oklch(36.1% 0.092 253.8);

Tailwind

colors: {
  custom: {
    50: '#617296',
    500: '#153e6c',
    950: '#000000',
  },
}

SCSS

$custom: #153e6c;
$custom-light: #617296;
$custom-dark: #000000;

JSON

{
  "hex": "#153e6c",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 108
  },
  "hsl": {
    "h": 211.724,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36127,
    "c": 0.09166,
    "h": 253.8
  },
  "luminance": 0.04687
}

Semantic roles & 50–950 ramp

primary

#153E6C

secondary

#A3713A

accent

#993DEA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #153E6C

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

Preview Lab → · Contrast checker → · Palette generator →