#1D456B#1D456B

#1D456B is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.1% C 0.079 H 249.7°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D456B
RGB	rgb(29, 69, 107)
HSL	hsl(209, 57%, 27%)
HSV	hsv(209, 73%, 42%)
CMYK	cmyk(72.9%, 35.5%, 0%, 58%)
CIE-LAB	lab(28.32, -0.17, -26.19)
CIE-LCH	lch(28.32, 26.19, 269.62°)
OKLab	oklab(38.14% -0.0275 -0.0743)
OKLCH	oklch(38.14% 0.079 249.7)
XYZ	xyz(5.2877, 5.5784, 14.7051)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D456B #6B431D

analogous

#1D6B6A #1D456B #1D1E6B

triadic

#1D456B #6B1D45 #456B1D

tetradic

#1D456B #6A1D6B #6B431D #1E6B1D

square

#1D456B #6A1D6B #6B431D #1E6B1D

split-complementary

#1D456B #6B1D1E #6B6A1D

monochromatic

#071018 #10263B #1D456B #2A649B #3983C9

Accessibility & contrast

On white

9.93

#1D456B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1D456B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D456B

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D456B	#FFFFFF	#000000	##FFFFFF
##1D456B	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34476D

Deuteranopia (green-blind)

#293F6A

Tritanopia (blue-blind)

#004E53

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d456b;
/* rgb */ color: rgb(29, 69, 107);
/* oklch */ color: oklch(38.1% 0.079 249.7);

Tailwind

colors: {
  custom: {
    50: '#637895',
    500: '#1d456b',
    950: '#000000',
  },
}

SCSS

$custom: #1d456b;
$custom-light: #637895;
$custom-dark: #000000;

JSON

{
  "hex": "#1d456b",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 107
  },
  "hsl": {
    "h": 209.231,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.38144,
    "c": 0.07922,
    "h": 249.7
  },
  "luminance": 0.05579
}

Semantic roles & 50–950 ramp

primary

#1D456B

secondary

#A07144

accent

#9247E1

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1D456B

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

Preview Lab → · Contrast checker → · Palette generator →