#1F455D#1F455D

#1F455D is a dark, muted cyan. Relative luminance 0.053; OKLCH L 37.4% C 0.060 H 238.9°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F455D
RGB	rgb(31, 69, 93)
HSL	hsl(203, 50%, 24%)
HSV	hsv(203, 67%, 36%)
CMYK	cmyk(66.7%, 25.8%, 0%, 63.5%)
CIE-LAB	lab(27.68, -5.15, -18.23)
CIE-LCH	lch(27.68, 18.95, 254.24°)
OKLab	oklab(37.42% -0.0309 -0.0512)
OKLCH	oklch(37.42% 0.06 238.9)
XYZ	xyz(4.6682, 5.3374, 11.1380)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F455D #5D371F

analogous

#1F5D56 #1F455D #1F265D

triadic

#1F455D #5D1F45 #455D1F

tetradic

#1F455D #561F5D #5D371F #265D1F

square

#1F455D #561F5D #5D371F #265D1F

split-complementary

#1F455D #5D1F26 #5D561F

monochromatic

#081117 #10232F #1F455D #2E678B #3E89B9

Accessibility & contrast

On white

10.16

#1F455D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1F455D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F455D

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F455D	#FFFFFF	#000000	##FFFFFF
##1F455D	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A455E

Deuteranopia (green-blind)

#313F5D

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1f455d;
/* rgb */ color: rgb(31, 69, 93);
/* oklch */ color: oklch(37.4% 0.060 238.9);

Tailwind

colors: {
  custom: {
    50: '#62788b',
    500: '#1f455d',
    950: '#000000',
  },
}

SCSS

$custom: #1f455d;
$custom-light: #62788b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f455d",
  "rgb": {
    "r": 31,
    "g": 69,
    "b": 93
  },
  "hsl": {
    "h": 203.226,
    "s": 50,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37416,
    "c": 0.05976,
    "h": 238.9
  },
  "luminance": 0.05338
}

Semantic roles & 50–950 ramp

primary

#1F455D

secondary

#926346

accent

#844EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1F455D

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

Preview Lab → · Contrast checker → · Palette generator →