#1D6474
Closest named color: Petrol (#005F6A). oklch(46.7% 0.072 216.1), rgb(29, 100, 116).
Aa
White text reads best on this color (6.71:1).
About this color
#1D6474 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.072 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.026 away. White text reads best on it, at 6.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #1D6474 |
| RGB | rgb(29, 100, 116) |
| HSL | hsl(191, 60%, 28%) |
| OKLCH | oklch(46.7% 0.072 216.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1D6474 | 6.71:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #1D6474 | 3.12:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #1D6474 text on white | 6.71:1 | AA | Lc 82.8 | Fine for body text |
| #1D6474 text on black | 3.12:1 | AA large text | Lc -19.1 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE1
oklch(88.6% 0.019 213.4)
-
Step 300
300
#A8C7CF
oklch(80.9% 0.035 215.1)
-
Step 400
400
#78AAB7
oklch(70.7% 0.056 215.7)
-
Step 500
500
#5395A5
oklch(63.2% 0.071 215.3)
-
Step 600
600
#347F90
oklch(55.7% 0.077 215.2)
-
Step 700
700 (this color)
#1D6474
oklch(46.7% 0.072 216.1)
-
Step 800
800
#215764
oklch(42.7% 0.06 216.3)
-
Step 900
900
#214851
oklch(37.7% 0.047 214.8)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#1D6474 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #596175 | 0.063 |
| Deuteranopia (no green cones) | #4D5874 | 0.057 |
| Tritanopia (no blue cones) | #006A69 | 0.032 |
| Achromatopsia (no color) | #5C5C5C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D6474
#1D6474
oklch(46.7% 0.072 216.1)
- #7D4B3D
#7D4B3D
oklch(46.7% 0.072 36.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1D6474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.026
- Dark Aqua #05696B ΔE 0.026
- YInMn Blue #415A77 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.049
- Denim #3B638C ΔE 0.050
- Slate #516572 ΔE 0.052
Use #1D6474 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.