#1D4D8F#1D4D8F

#1D4D8F is a dark, vivid cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.121 H 257.4°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D8F
RGB	rgb(29, 77, 143)
HSL	hsl(215, 66%, 34%)
HSV	hsv(215, 80%, 56%)
CMYK	cmyk(79.7%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(33.03, 8.85, -41.13)
CIE-LCH	lch(33.03, 42.07, 282.14°)
OKLab	oklab(42.52% -0.0264 -0.118)
OKLCH	oklch(42.52% 0.121 257.4)
XYZ	xyz(8.1167, 7.5512, 27.0110)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D8F #8F5F1D

analogous

#1D868F #1D4D8F #261D8F

triadic

#1D4D8F #8F1D4D #4D8F1D

tetradic

#1D4D8F #8F1D86 #8F5F1D #1D8F26

square

#1D4D8F #8F1D86 #8F5F1D #1D8F26

split-complementary

#1D4D8F #8F261D #868F1D

monochromatic

#081629 #13325C #1D4D8F #2768C2 #4C88DB

Accessibility & contrast

On white

8.37

#1D4D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1D4D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D8F

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D8F	#FFFFFF	#000000	##FFFFFF
##1D4D8F	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5392

Deuteranopia (green-blind)

#11498E

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d4d8f;
/* rgb */ color: rgb(29, 77, 143);
/* oklch */ color: oklch(42.5% 0.121 257.4);

Tailwind

colors: {
  custom: {
    50: '#6b7eb0',
    500: '#1d4d8f',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d8f;
$custom-light: #6b7eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d8f",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 214.737,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42522,
    "c": 0.12088,
    "h": 257.4
  },
  "luminance": 0.07552
}

Semantic roles & 50–950 ramp

primary

#1D4D8F

secondary

#BD8D4B

accent

#A13FE9

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D4D8F

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

Preview Lab → · Contrast checker → · Palette generator →