#1D86D4
Closest named color: Water Blue (#0E87CC). oklch(60.3% 0.148 247.2), rgb(29, 134, 212).
Aa
Black text reads best on this color (5.41:1).
About this color
#1D86D4 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.148 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.014 away. Black text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #1D86D4 |
| RGB | rgb(29, 134, 212) |
| HSL | hsl(206, 76%, 47%) |
| OKLCH | oklch(60.3% 0.148 247.2) |
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 #1D86D4 | 3.87:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #1D86D4 | 5.41:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #1D86D4 text on white | 3.87:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #1D86D4 text on black | 5.41:1 | AA | Lc -35.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300
#9BC6EE
oklch(81% 0.073 246.9)
-
Step 400
400
#61A7E5
oklch(70.8% 0.116 247)
-
Step 500
500 (this color)
#1D86D4
oklch(60.3% 0.148 247.2)
-
Step 600
600
#0078C4
oklch(55.7% 0.147 247.1)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#044472
oklch(37.7% 0.098 247.6)
-
Step 950
950
#082843
oklch(27% 0.062 248.2)
#1D86D4 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) | #608AD7 | 0.054 |
| Deuteranopia (no green cones) | #457AD3 | 0.037 |
| Tritanopia (no blue cones) | #0099A3 | 0.105 |
| Achromatopsia (no color) | #818181 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D86D4
#1D86D4
oklch(60.3% 0.148 247.2)
- #B56F00
#B56F00
oklch(60.4% 0.133 67.3)
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 #1D86D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.014
- Dark Sky Blue #448EE4 ΔE 0.042
- Windows Blue #3778BF ΔE 0.045
- Cool Blue #4984B8 ΔE 0.048
- Steel Blue #4682B4 ΔE 0.051
- Blue NCS #118AB2 ΔE 0.057
- Nice Blue #107AB0 ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.064
Use #1D86D4 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.