#1D4F70#1D4F70

#1D4F70 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.077 H 241.2°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#1D4F70
RGB	rgb(29, 79, 112)
HSL	hsl(204, 59%, 28%)
HSV	hsv(204, 74%, 44%)
CMYK	cmyk(74.1%, 29.5%, 0%, 56.1%)
CIE-LAB	lab(31.86, -4.73, -23.80)
CIE-LCH	lch(31.86, 24.26, 258.77°)
OKLab	oklab(41.02% -0.0369 -0.0672)
OKLCH	oklch(41.02% 0.077 241.2)
XYZ	xyz(6.2262, 7.0223, 16.3534)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4F70 #703E1D

analogous

#1D7067 #1D4F70 #1D2670

triadic

#1D4F70 #701D4F #4F701D

tetradic

#1D4F70 #671D70 #703E1D #26701D

square

#1D4F70 #671D70 #703E1D #26701D

split-complementary

#1D4F70 #701D26 #70671D

monochromatic

#061118 #102D3F #1D4F70 #2A71A1 #3B93CC

Accessibility & contrast

On white

8.73

#1D4F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1D4F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F70

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4F70	#FFFFFF	#000000	##FFFFFF
##1D4F70	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404F71

Deuteranopia (green-blind)

#34476F

Tritanopia (blue-blind)

#00575A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4f70;
/* rgb */ color: rgb(29, 79, 112);
/* oklch */ color: oklch(41.0% 0.077 241.2);

Tailwind

colors: {
  custom: {
    50: '#658099',
    500: '#1d4f70',
    950: '#000000',
  },
}

SCSS

$custom: #1d4f70;
$custom-light: #658099;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4f70",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 112
  },
  "hsl": {
    "h": 203.855,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.41018,
    "c": 0.07664,
    "h": 241.2
  },
  "luminance": 0.07023
}

Semantic roles & 50–950 ramp

primary

#1D4F70

secondary

#A46B44

accent

#8446E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4F70

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

Preview Lab → · Contrast checker → · Palette generator →