#1D4F6F#1D4F6F

#1D4F6F is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.075 H 240.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D4F6F
RGB	rgb(29, 79, 111)
HSL	hsl(203, 59%, 27%)
HSV	hsv(203, 74%, 44%)
CMYK	cmyk(73.9%, 28.8%, 0%, 56.5%)
CIE-LAB	lab(31.81, -5.11, -23.25)
CIE-LCH	lch(31.81, 23.80, 257.61°)
OKLab	oklab(40.96% -0.0372 -0.0656)
OKLCH	oklch(40.96% 0.075 240.4)
XYZ	xyz(6.1708, 7.0002, 16.0618)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4F6F #6F3D1D

analogous

#1D6F66 #1D4F6F #1D266F

triadic

#1D4F6F #6F1D4F #4F6F1D

tetradic

#1D4F6F #661D6F #6F3D1D #266F1D

square

#1D4F6F #661D6F #6F3D1D #266F1D

split-complementary

#1D4F6F #6F1D26 #6F661D

monochromatic

#061118 #102C3E #1D4F6F #2A72A0 #3B93CC

Accessibility & contrast

On white

8.75

#1D4F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1D4F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F6F

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4F6F	#FFFFFF	#000000	##FFFFFF
##1D4F6F	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404F70

Deuteranopia (green-blind)

#35476E

Tritanopia (blue-blind)

#00575A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4f6f;
/* rgb */ color: rgb(29, 79, 111);
/* oklch */ color: oklch(41.0% 0.075 240.4);

Tailwind

colors: {
  custom: {
    50: '#648098',
    500: '#1d4f6f',
    950: '#000000',
  },
}

SCSS

$custom: #1d4f6f;
$custom-light: #648098;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4f6f",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 111
  },
  "hsl": {
    "h": 203.415,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.40962,
    "c": 0.07542,
    "h": 240.4
  },
  "luminance": 0.07001
}

Semantic roles & 50–950 ramp

primary

#1D4F6F

secondary

#A36944

accent

#8346E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D4F6F

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

Preview Lab → · Contrast checker → · Palette generator →