#1D4E8C#1D4E8C

#1D4E8C is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.115 H 256.0°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E8C
RGB	rgb(29, 78, 140)
HSL	hsl(214, 66%, 33%)
HSV	hsv(214, 79%, 55%)
CMYK	cmyk(79.3%, 44.3%, 0%, 45.1%)
CIE-LAB	lab(33.14, 6.97, -39.12)
CIE-LCH	lch(33.14, 39.74, 280.10°)
OKLab	oklab(42.55% -0.0279 -0.112)
OKLCH	oklch(42.55% 0.115 256)
XYZ	xyz(7.9630, 7.6025, 25.8536)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E8C #8C5B1D

analogous

#1D858C #1D4E8C #241D8C

triadic

#1D4E8C #8C1D4E #4E8C1D

tetradic

#1D4E8C #8C1D85 #8C5B1D #1D8C24

square

#1D4E8C #8C1D85 #8C5B1D #1D8C24

split-complementary

#1D4E8C #8C241D #858C1D

monochromatic

#081627 #123259 #1D4E8C #286ABF #4A89D9

Accessibility & contrast

On white

8.33

#1D4E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1D4E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E8C

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E8C	#FFFFFF	#000000	##FFFFFF
##1D4E8C	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F538E

Deuteranopia (green-blind)

#1A498B

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d4e8c;
/* rgb */ color: rgb(29, 78, 140);
/* oklch */ color: oklch(42.5% 0.115 256.0);

Tailwind

colors: {
  custom: {
    50: '#6b7fae',
    500: '#1d4e8c',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e8c;
$custom-light: #6b7fae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e8c",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 140
  },
  "hsl": {
    "h": 213.514,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42545,
    "c": 0.11545,
    "h": 256
  },
  "luminance": 0.07603
}

Semantic roles & 50–950 ramp

primary

#1D4E8C

secondary

#BC8949

accent

#9E3FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D4E8C

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

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