#1E4258#1E4258

#1E4258 is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.3% C 0.056 H 237.9°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E4258
RGB	rgb(30, 66, 88)
HSL	hsl(203, 49%, 23%)
HSV	hsv(203, 66%, 35%)
CMYK	cmyk(65.9%, 25%, 0%, 65.5%)
CIE-LAB	lab(26.38, -5.28, -17.01)
CIE-LCH	lch(26.38, 17.81, 252.74°)
OKLab	oklab(36.3% -0.0299 -0.0477)
OKLCH	oklch(36.3% 0.056 237.9)
XYZ	xyz(4.2444, 4.8766, 9.9482)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4258 #58341E

analogous

#1E5851 #1E4258 #1E2558

triadic

#1E4258 #581E42 #42581E

tetradic

#1E4258 #511E58 #58341E #25581E

square

#1E4258 #511E58 #58341E #25581E

split-complementary

#1E4258 #581E25 #58511E

monochromatic

#081117 #0E202A #1E4258 #2E6486 #3D86B3

Accessibility & contrast

On white

10.63

#1E4258 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1E4258 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4258

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4258	#FFFFFF	#000000	##FFFFFF
##1E4258	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384259

Deuteranopia (green-blind)

#303C58

Tritanopia (blue-blind)

#004849

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e4258;
/* rgb */ color: rgb(30, 66, 88);
/* oklch */ color: oklch(36.3% 0.056 237.9);

Tailwind

colors: {
  custom: {
    50: '#607687',
    500: '#1e4258',
    950: '#000000',
  },
}

SCSS

$custom: #1e4258;
$custom-light: #607687;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4258",
  "rgb": {
    "r": 30,
    "g": 66,
    "b": 88
  },
  "hsl": {
    "h": 202.759,
    "s": 49.153,
    "l": 23.137
  },
  "oklch": {
    "l": 0.36298,
    "c": 0.05629,
    "h": 237.9
  },
  "luminance": 0.04877
}

Semantic roles & 50–950 ramp

primary

#1E4258

secondary

#8D6045

accent

#834FD9

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1E4258

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

Preview Lab → · Contrast checker → · Palette generator →