#1D4E70#1D4E70

#1D4E70 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.8% C 0.077 H 242.5°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E70
RGB	rgb(29, 78, 112)
HSL	hsl(205, 59%, 28%)
HSV	hsv(205, 74%, 44%)
CMYK	cmyk(74.1%, 30.4%, 0%, 56.1%)
CIE-LAB	lab(31.53, -4.09, -24.31)
CIE-LCH	lch(31.53, 24.65, 260.45°)
OKLab	oklab(40.76% -0.0358 -0.0687)
OKLCH	oklch(40.76% 0.077 242.5)
XYZ	xyz(6.1546, 6.8792, 16.3295)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E70 #703F1D

analogous

#1D7068 #1D4E70 #1D2570

triadic

#1D4E70 #701D4E #4E701D

tetradic

#1D4E70 #681D70 #703F1D #25701D

square

#1D4E70 #681D70 #703F1D #25701D

split-complementary

#1D4E70 #701D25 #70681D

monochromatic

#061118 #102C3F #1D4E70 #2A70A1 #3B91CC

Accessibility & contrast

On white

8.84

#1D4E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1D4E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E70

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E70	#FFFFFF	#000000	##FFFFFF
##1D4E70	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F72

Deuteranopia (green-blind)

#33476F

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4e70;
/* rgb */ color: rgb(29, 78, 112);
/* oklch */ color: oklch(40.8% 0.077 242.5);

Tailwind

colors: {
  custom: {
    50: '#657f99',
    500: '#1d4e70',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e70;
$custom-light: #657f99;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e70",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 112
  },
  "hsl": {
    "h": 204.578,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40759,
    "c": 0.07745,
    "h": 242.5
  },
  "luminance": 0.0688
}

Semantic roles & 50–950 ramp

primary

#1D4E70

secondary

#A46C44

accent

#8646E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4E70

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

Preview Lab → · Contrast checker → · Palette generator →