#1C4E58#1C4E58

#1C4E58 is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.5% C 0.055 H 213.1°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E58
RGB	rgb(28, 78, 88)
HSL	hsl(190, 52%, 23%)
HSV	hsv(190, 68%, 35%)
CMYK	cmyk(68.2%, 11.4%, 0%, 65.5%)
CIE-LAB	lab(30.40, -13.10, -10.85)
CIE-LCH	lch(30.40, 17.01, 219.62°)
OKLab	oklab(39.49% -0.0462 -0.0301)
OKLCH	oklch(39.49% 0.055 213.1)
XYZ	xyz(4.9640, 6.3997, 10.2043)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E58 #58261C

analogous

#1C5844 #1C4E58 #1C3058

triadic

#1C4E58 #581C4E #4E581C

tetradic

#1C4E58 #441C58 #58261C #30581C

square

#1C4E58 #441C58 #58261C #30581C

split-complementary

#1C4E58 #581C30 #58441C

monochromatic

#071517 #0D252A #1C4E58 #2B7786 #3AA0B5

Accessibility & contrast

On white

9.21

#1C4E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C4E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E58

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E58	#FFFFFF	#000000	##FFFFFF
##1C4E58	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	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: #1c4e58;
/* rgb */ color: rgb(28, 78, 88);
/* oklch */ color: oklch(39.5% 0.055 213.1);

Tailwind

colors: {
  custom: {
    50: '#607f87',
    500: '#1c4e58',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e58;
$custom-light: #607f87;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e58",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 88
  },
  "hsl": {
    "h": 190,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.39486,
    "c": 0.05518,
    "h": 213.1
  },
  "luminance": 0.064
}

Semantic roles & 50–950 ramp

primary

#1C4E58

secondary

#8E4F42

accent

#644DDB

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #1C4E58

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

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