#106DBB
Closest named color: Mid Blue (#276AB3). oklch(52.7% 0.146 250.7), rgb(16, 109, 187).
Aa
White text reads best on this color (5.34:1).
About this color
#106DBB is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.146 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.016 away. White text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #106DBB |
| RGB | rgb(16, 109, 187) |
| HSL | hsl(207, 84%, 40%) |
| OKLCH | oklch(52.7% 0.146 250.7) |
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 #106DBB | 5.34:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #106DBB | 3.92:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #106DBB text on white | 5.34:1 | AA | Lc 76.0 | Fine for body text |
| #106DBB text on black | 3.92:1 | AA large text | Lc -25.7 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A2C4EA
oklch(80.9% 0.065 251.5)
-
Step 400
400
#6DA5E0
oklch(70.7% 0.105 250.7)
-
Step 500
500
#438DD7
oklch(63.1% 0.134 250.8)
-
Step 600
600 (this color)
#106DBB
oklch(52.7% 0.146 250.7)
-
Step 700
700
#0E62AA
oklch(49% 0.136 251.1)
-
Step 800
800
#115189
oklch(42.7% 0.111 250.3)
-
Step 900
900
#17436E
oklch(37.6% 0.088 251)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#106DBB 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) | #4573BE | 0.042 |
| Deuteranopia (no green cones) | #2764B9 | 0.025 |
| Tritanopia (no blue cones) | #00808B | 0.106 |
| Achromatopsia (no color) | #6B6B6B | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #106DBB
#106DBB
oklch(52.7% 0.146 250.7)
- #945E00
#945E00
oklch(52.9% 0.114 70.8)
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 #106DBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.016
- French Blue #436BAD ΔE 0.038
- Windows Blue #3778BF ΔE 0.041
- Nice Blue #107AB0 ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.046
- Ocean Blue #03719C ΔE 0.054
- Muted Blue #3B719F ΔE 0.054
- Peacock Blue #016795 ΔE 0.062
Use #106DBB 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.