#1D4E58#1D4E58

#1D4E58 is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.5% C 0.055 H 213.3°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E58
RGB	rgb(29, 78, 88)
HSL	hsl(190, 50%, 23%)
HSV	hsv(190, 67%, 35%)
CMYK	cmyk(67%, 11.4%, 0%, 65.5%)
CIE-LAB	lab(30.43, -12.90, -10.79)
CIE-LCH	lch(30.43, 16.82, 219.91°)
OKLab	oklab(39.52% -0.0456 -0.0299)
OKLCH	oklch(39.52% 0.055 213.3)
XYZ	xyz(4.9918, 6.4141, 10.2056)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E58 #58271D

analogous

#1D5844 #1D4E58 #1D3158

triadic

#1D4E58 #581D4E #4E581D

tetradic

#1D4E58 #441D58 #58271D #31581D

square

#1D4E58 #441D58 #58271D #31581D

split-complementary

#1D4E58 #581D31 #58441D

monochromatic

#081417 #0E252A #1D4E58 #2C7786 #3BA0B4

Accessibility & contrast

On white

9.20

#1D4E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1D4E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E58

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E58	#FFFFFF	#000000	##FFFFFF
##1D4E58	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B59

Deuteranopia (green-blind)

#3E4558

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4e58;
/* rgb */ color: rgb(29, 78, 88);
/* oklch */ color: oklch(39.5% 0.055 213.3);

Tailwind

colors: {
  custom: {
    50: '#617f87',
    500: '#1d4e58',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e58;
$custom-light: #617f87;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e58",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 88
  },
  "hsl": {
    "h": 190.169,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.39523,
    "c": 0.05452,
    "h": 213.3
  },
  "luminance": 0.06415
}

Semantic roles & 50–950 ramp

primary

#1D4E58

secondary

#8D5044

accent

#664EDA

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #1D4E58

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

Preview Lab → · Contrast checker → · Palette generator →