#1F426B#1F426B

#1F426B is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.5% C 0.082 H 253.9°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#1F426B
RGB	rgb(31, 66, 107)
HSL	hsl(212, 55%, 27%)
HSV	hsv(212, 71%, 42%)
CMYK	cmyk(71%, 38.3%, 0%, 58%)
CIE-LAB	lab(27.43, 2.19, -27.60)
CIE-LCH	lch(27.43, 27.68, 274.55°)
OKLab	oklab(37.47% -0.0226 -0.0784)
OKLCH	oklch(37.47% 0.082 253.9)
XYZ	xyz(5.1662, 5.2487, 14.6479)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F426B #6B481F

analogous

#1F686B #1F426B #221F6B

triadic

#1F426B #6B1F42 #426B1F

tetradic

#1F426B #6B1F68 #6B481F #1F6B22

square

#1F426B #6B1F68 #6B481F #1F6B22

split-complementary

#1F426B #6B221F #686B1F

monochromatic

#070F18 #11253C #1F426B #2D5F9A #3D7DC7

Accessibility & contrast

On white

10.24

#1F426B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1F426B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F426B

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F426B	#FFFFFF	#000000	##FFFFFF
##1F426B	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30456D

Deuteranopia (green-blind)

#253E6A

Tritanopia (blue-blind)

#004C51

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1f426b;
/* rgb */ color: rgb(31, 66, 107);
/* oklch */ color: oklch(37.5% 0.082 253.9);

Tailwind

colors: {
  custom: {
    50: '#647695',
    500: '#1f426b',
    950: '#000000',
  },
}

SCSS

$custom: #1f426b;
$custom-light: #647695;
$custom-dark: #000000;

JSON

{
  "hex": "#1f426b",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 107
  },
  "hsl": {
    "h": 212.368,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37468,
    "c": 0.0816,
    "h": 253.9
  },
  "luminance": 0.05249
}

Semantic roles & 50–950 ramp

primary

#1F426B

secondary

#9F7647

accent

#9A49DE

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1F426B

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

Preview Lab → · Contrast checker → · Palette generator →