#1D86EA
Closest named color: Dark Sky Blue (#448EE4). oklch(61.6% 0.175 252.6), rgb(29, 134, 234).
Aa
Black text reads best on this color (5.65:1).
About this color
#1D86EA is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.175 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.036 away. Black text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #1D86EA |
| RGB | rgb(29, 134, 234) |
| HSL | hsl(209, 83%, 52%) |
| OKLCH | oklch(61.6% 0.175 252.6) |
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 #1D86EA | 3.71:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #1D86EA | 5.65:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #1D86EA text on white | 3.71:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #1D86EA text on black | 5.65:1 | AA | Lc -37.5 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C3DCF9
oklch(88.5% 0.048 252.2)
-
Step 300
300
#99C4F7
oklch(80.8% 0.086 253.1)
-
Step 400
400
#5DA4F3
oklch(70.7% 0.137 252.5)
-
Step 500
500 (this color)
#1D86EA
oklch(61.6% 0.175 252.6)
-
Step 600
600
#0073D2
oklch(55.5% 0.17 252.7)
-
Step 700
700
#0061B2
oklch(49.2% 0.149 252.5)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#01427C
oklch(37.8% 0.114 252.6)
-
Step 950
950
#062748
oklch(27% 0.072 252.2)
#1D86EA 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) | #528EEE | 0.044 |
| Deuteranopia (no green cones) | #297CE8 | 0.026 |
| Tritanopia (no blue cones) | #009EAC | 0.130 |
| Achromatopsia (no color) | #848484 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D86EA
#1D86EA
oklch(61.6% 0.175 252.6)
- #B47600
#B47600
oklch(61.6% 0.131 72.8)
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 #1D86EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.039
- Clear Blue #247AFD ΔE 0.044
- Water Blue #0E87CC ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.052
- Soft Blue #6488EA ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.065
- Windows Blue #3778BF ΔE 0.069
Use #1D86EA 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.