#1F435D#1F435D

#1F435D is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.9% C 0.061 H 242.3°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F435D
RGB	rgb(31, 67, 93)
HSL	hsl(205, 50%, 24%)
HSV	hsv(205, 67%, 36%)
CMYK	cmyk(66.7%, 28%, 0%, 63.5%)
CIE-LAB	lab(27.01, -3.85, -19.28)
CIE-LCH	lch(27.01, 19.66, 258.69°)
OKLab	oklab(36.89% -0.0284 -0.0542)
OKLCH	oklch(36.89% 0.061 242.3)
XYZ	xyz(4.5473, 5.0955, 11.0977)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F435D #5D391F

analogous

#1F5D58 #1F435D #1F245D

triadic

#1F435D #5D1F43 #435D1F

tetradic

#1F435D #581F5D #5D391F #245D1F

square

#1F435D #581F5D #5D391F #245D1F

split-complementary

#1F435D #5D1F24 #5D581F

monochromatic

#081117 #10222F #1F435D #2E648B #3E85B9

Accessibility & contrast

On white

10.40

#1F435D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1F435D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F435D

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F435D	#FFFFFF	#000000	##FFFFFF
##1F435D	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37435E

Deuteranopia (green-blind)

#2F3D5D

Tritanopia (blue-blind)

#00494C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1f435d;
/* rgb */ color: rgb(31, 67, 93);
/* oklch */ color: oklch(36.9% 0.061 242.3);

Tailwind

colors: {
  custom: {
    50: '#62778b',
    500: '#1f435d',
    950: '#000000',
  },
}

SCSS

$custom: #1f435d;
$custom-light: #62778b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f435d",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 93
  },
  "hsl": {
    "h": 205.161,
    "s": 50,
    "l": 24.314
  },
  "oklch": {
    "l": 0.36885,
    "c": 0.06119,
    "h": 242.3
  },
  "luminance": 0.05096
}

Semantic roles & 50–950 ramp

primary

#1F435D

secondary

#926646

accent

#894EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1F435D

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

Preview Lab → · Contrast checker → · Palette generator →