#1D618B#1D618B

#1D618B is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.1% C 0.095 H 240.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D618B
RGB	rgb(29, 97, 139)
HSL	hsl(203, 65%, 33%)
HSV	hsv(203, 79%, 55%)
CMYK	cmyk(79.1%, 30.2%, 0%, 45.5%)
CIE-LAB	lab(39.03, -5.63, -29.18)
CIE-LCH	lch(39.03, 29.72, 259.09°)
OKLab	oklab(47.14% -0.0463 -0.0826)
OKLCH	oklch(47.14% 0.095 240.7)
XYZ	xyz(9.4398, 10.6736, 25.9838)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D618B #8B471D

analogous

#1D8B7E #1D618B #1D2A8B

triadic

#1D618B #8B1D61 #618B1D

tetradic

#1D618B #7E1D8B #8B471D #2A8B1D

square

#1D618B #7E1D8B #8B471D #2A8B1D

split-complementary

#1D618B #8B1D2A #8B7E1D

monochromatic

#081A26 #123E58 #1D618B #2884BE #49A2D9

Accessibility & contrast

On white

6.70

#1D618B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1D618B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D618B

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D618B	#FFFFFF	#000000	##FFFFFF
##1D618B	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D628D

Deuteranopia (green-blind)

#3E578A

Tritanopia (blue-blind)

#006B70

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1d618b;
/* rgb */ color: rgb(29, 97, 139);
/* oklch */ color: oklch(47.1% 0.095 240.7);

Tailwind

colors: {
  custom: {
    50: '#6b8dad',
    500: '#1d618b',
    950: '#000000',
  },
}

SCSS

$custom: #1d618b;
$custom-light: #6b8dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d618b",
  "rgb": {
    "r": 29,
    "g": 97,
    "b": 139
  },
  "hsl": {
    "h": 202.909,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.47144,
    "c": 0.0947,
    "h": 240.7
  },
  "luminance": 0.10675
}

Semantic roles & 50–950 ramp

primary

#1D618B

secondary

#BB7449

accent

#803FE8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1D618B

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

Preview Lab → · Contrast checker → · Palette generator →