#1D4E8E#1D4E8E

#1D4E8E is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.7% C 0.118 H 256.6°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E8E
RGB	rgb(29, 78, 142)
HSL	hsl(214, 66%, 34%)
HSV	hsv(214, 80%, 56%)
CMYK	cmyk(79.6%, 45.1%, 0%, 44.3%)
CIE-LAB	lab(33.27, 7.77, -40.14)
CIE-LCH	lch(33.27, 40.88, 280.96°)
OKLab	oklab(42.69% -0.0275 -0.115)
OKLCH	oklch(42.69% 0.118 256.6)
XYZ	xyz(8.1118, 7.6620, 26.6373)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E8E #8E5D1D

analogous

#1D868E #1D4E8E #241D8E

triadic

#1D4E8E #8E1D4E #4E8E1D

tetradic

#1D4E8E #8E1D86 #8E5D1D #1D8E24

square

#1D4E8E #8E1D86 #8E5D1D #1D8E24

split-complementary

#1D4E8E #8E241D #868E1D

monochromatic

#081628 #13325B #1D4E8E #276AC1 #4B89DA

Accessibility & contrast

On white

8.29

#1D4E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1D4E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E8E

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E8E	#FFFFFF	#000000	##FFFFFF
##1D4E8E	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5490

Deuteranopia (green-blind)

#17498D

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d4e8e;
/* rgb */ color: rgb(29, 78, 142);
/* oklch */ color: oklch(42.7% 0.118 256.6);

Tailwind

colors: {
  custom: {
    50: '#6b7faf',
    500: '#1d4e8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e8e;
$custom-light: #6b7faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e8e",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 142
  },
  "hsl": {
    "h": 213.982,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42686,
    "c": 0.11825,
    "h": 256.6
  },
  "luminance": 0.07663
}

Semantic roles & 50–950 ramp

primary

#1D4E8E

secondary

#BD8B4A

accent

#9F3FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D4E8E

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

Preview Lab → · Contrast checker → · Palette generator →