#106FBF
Closest named color: Mid Blue (#276AB3). oklch(53.5% 0.148 250.9), rgb(16, 111, 191).
Aa
White text reads best on this color (5.18:1).
About this color
#106FBF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.148 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.022 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #106FBF |
| RGB | rgb(16, 111, 191) |
| HSL | hsl(207, 85%, 41%) |
| OKLCH | oklch(53.5% 0.148 250.9) |
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 #106FBF | 5.18:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #106FBF | 4.04:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #106FBF text on white | 5.18:1 | AA | Lc 75.1 | Fine for body text |
| #106FBF text on black | 4.04:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DCF1
oklch(88.6% 0.036 249.5)
-
Step 300
300
#A1C4EB
oklch(80.8% 0.067 251.4)
-
Step 400
400
#6CA5E1
oklch(70.7% 0.107 250.7)
-
Step 500
500
#428DD9
oklch(63.1% 0.137 251.1)
-
Step 600
600 (this color)
#106FBF
oklch(53.5% 0.148 250.9)
-
Step 700
700
#0962AB
oklch(49% 0.138 250.9)
-
Step 800
800
#0F518B
oklch(42.8% 0.114 250.7)
-
Step 900
900
#16436F
oklch(37.6% 0.09 251.1)
-
Step 950
950
#0F2841
oklch(27.1% 0.056 250.6)
#106FBF 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) | #4675C2 | 0.042 |
| Deuteranopia (no green cones) | #2766BD | 0.024 |
| Tritanopia (no blue cones) | #00828D | 0.108 |
| Achromatopsia (no color) | #6D6D6D | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #106FBF
#106FBF
oklch(53.5% 0.148 250.9)
- #966000
#966000
oklch(53.5% 0.115 71.4)
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 #106FBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.022
- Windows Blue #3778BF ΔE 0.036
- French Blue #436BAD ΔE 0.040
- Nice Blue #107AB0 ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.047
- Muted Blue #3B719F ΔE 0.056
- Ocean Blue #03719C ΔE 0.058
- Royal Blue #4169E1 ΔE 0.065
Use #106FBF 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.