#1F456E#1F456E

#1F456E is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.4% C 0.083 H 252.3°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#1F456E
RGB	rgb(31, 69, 110)
HSL	hsl(211, 56%, 28%)
HSV	hsv(211, 72%, 43%)
CMYK	cmyk(71.8%, 37.3%, 0%, 56.9%)
CIE-LAB	lab(28.57, 1.35, -27.70)
CIE-LCH	lch(28.57, 27.73, 272.80°)
OKLab	oklab(38.42% -0.0251 -0.0787)
OKLCH	oklch(38.42% 0.083 252.3)
XYZ	xyz(5.5066, 5.6728, 15.5536)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F456E #6E481F

analogous

#1F6C6E #1F456E #201F6E

triadic

#1F456E #6E1F45 #456E1F

tetradic

#1F456E #6E1F6C #6E481F #1F6E20

square

#1F456E #6E1F6C #6E481F #1F6E20

split-complementary

#1F456E #6E201F #6C6E1F

monochromatic

#070F18 #12273E #1F456E #2C639E #3F81C9

Accessibility & contrast

On white

9.84

#1F456E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1F456E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F456E

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F456E	#FFFFFF	#000000	##FFFFFF
##1F456E	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334770

Deuteranopia (green-blind)

#27406D

Tritanopia (blue-blind)

#004F54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f456e;
/* rgb */ color: rgb(31, 69, 110);
/* oklch */ color: oklch(38.4% 0.083 252.3);

Tailwind

colors: {
  custom: {
    50: '#657898',
    500: '#1f456e',
    950: '#000000',
  },
}

SCSS

$custom: #1f456e;
$custom-light: #657898;
$custom-dark: #000000;

JSON

{
  "hex": "#1f456e",
  "rgb": {
    "r": 31,
    "g": 69,
    "b": 110
  },
  "hsl": {
    "h": 211.139,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.38416,
    "c": 0.08257,
    "h": 252.3
  },
  "luminance": 0.05673
}

Semantic roles & 50–950 ramp

primary

#1F456E

secondary

#A27647

accent

#9748DF

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1F456E

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

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