#0686E4
Closest named color: Water Blue (#0E87CC). oklch(61% 0.171 249.9), rgb(6, 134, 228).
Aa
Black text reads best on this color (5.53:1).
About this color
#0686E4 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.171 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.038 away. Black text reads best on it, at 5.53:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #0686E4 |
| RGB | rgb(6, 134, 228) |
| HSL | hsl(205, 95%, 46%) |
| OKLCH | oklch(61% 0.171 249.9) |
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 #0686E4 | 3.79:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #0686E4 | 5.53:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #0686E4 text on white | 3.79:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #0686E4 text on black | 5.53:1 | AA | Lc -36.9 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFA
oklch(93.7% 0.024 248.1)
-
Step 200
200
#C3DCF7
oklch(88.5% 0.046 250.4)
-
Step 300
300
#97C5F5
oklch(80.8% 0.084 250)
-
Step 400
400
#5AA5F0
oklch(70.6% 0.134 250.3)
-
Step 500
500 (this color)
#0686E4
oklch(61% 0.171 249.9)
-
Step 600
600
#0076CA
oklch(55.7% 0.156 249.7)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004377
oklch(37.7% 0.106 249.9)
-
Step 950
950
#042847
oklch(27.1% 0.07 249.3)
#0686E4 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) | #568DE8 | 0.052 |
| Deuteranopia (no green cones) | #2F7BE2 | 0.029 |
| Tritanopia (no blue cones) | #009DAA | 0.123 |
| Achromatopsia (no color) | #838383 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0686E4
#0686E4
oklch(61% 0.171 249.9)
- #B57300
#B57300
oklch(61.1% 0.132 70.1)
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 #0686E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.039
- Dodger Blue #1E90FF ΔE 0.047
- Clear Blue #247AFD ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.057
- Windows Blue #3778BF ΔE 0.062
- Soft Blue #6488EA ΔE 0.062
- Cerulean Blue #056EEE ΔE 0.066
Use #0686E4 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.