#1D4F8E#1D4F8E

#1D4F8E is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.9% C 0.117 H 256.0°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D4F8E
RGB	rgb(29, 79, 142)
HSL	hsl(213, 66%, 34%)
HSV	hsv(213, 80%, 56%)
CMYK	cmyk(79.6%, 44.4%, 0%, 44.3%)
CIE-LAB	lab(33.57, 7.10, -39.65)
CIE-LCH	lch(33.57, 40.28, 280.16°)
OKLab	oklab(42.92% -0.0284 -0.1136)
OKLCH	oklch(42.92% 0.117 256)
XYZ	xyz(8.1834, 7.8052, 26.6612)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4F8E #8E5C1D

analogous

#1D878E #1D4F8E #231D8E

triadic

#1D4F8E #8E1D4F #4F8E1D

tetradic

#1D4F8E #8E1D87 #8E5C1D #1D8E23

square

#1D4F8E #8E1D87 #8E5C1D #1D8E23

split-complementary

#1D4F8E #8E231D #878E1D

monochromatic

#081628 #13335B #1D4F8E #276BC1 #4B8ADA

Accessibility & contrast

On white

8.20

#1D4F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1D4F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F8E

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4F8E	#FFFFFF	#000000	##FFFFFF
##1D4F8E	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5490

Deuteranopia (green-blind)

#1A4A8D

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d4f8e;
/* rgb */ color: rgb(29, 79, 142);
/* oklch */ color: oklch(42.9% 0.117 256.0);

Tailwind

colors: {
  custom: {
    50: '#6b7faf',
    500: '#1d4f8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d4f8e;
$custom-light: #6b7faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4f8e",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 142
  },
  "hsl": {
    "h": 213.451,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42922,
    "c": 0.11705,
    "h": 256
  },
  "luminance": 0.07806
}

Semantic roles & 50–950 ramp

primary

#1D4F8E

secondary

#BD8A4A

accent

#9E3FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D4F8E

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

Preview Lab → · Contrast checker → · Palette generator →