#106ACA
Closest named color: Mid Blue (#276AB3). oklch(53.1% 0.168 255.2), rgb(16, 106, 202).
Aa
White text reads best on this color (5.33:1).
About this color
#106ACA is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.168 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.037 away. White text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #106ACA |
| RGB | rgb(16, 106, 202) |
| HSL | hsl(211, 85%, 43%) |
| OKLCH | oklch(53.1% 0.168 255.2) |
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 #106ACA | 5.33:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #106ACA | 3.93:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #106ACA text on white | 5.33:1 | AA | Lc 75.9 | Fine for body text |
| #106ACA text on black | 3.93:1 | AA large text | Lc -25.8 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#A0C3F1
oklch(80.8% 0.076 255.4)
-
Step 400
400
#6BA3EB
oklch(70.7% 0.122 255.2)
-
Step 500
500
#418AE4
oklch(63.1% 0.154 255.2)
-
Step 600
600 (this color)
#106ACA
oklch(53.1% 0.168 255.2)
-
Step 700
700
#0C5FB6
oklch(49.1% 0.156 255.1)
-
Step 800
800
#104E94
oklch(42.8% 0.13 255.3)
-
Step 900
900
#164176
oklch(37.6% 0.102 255.6)
-
Step 950
950
#0F2745
oklch(27.1% 0.064 255.3)
#106ACA 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) | #3273CE | 0.034 |
| Deuteranopia (no green cones) | #0064C8 | 0.018 |
| Tritanopia (no blue cones) | #008190 | 0.125 |
| Achromatopsia (no color) | #6B6B6B | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #106ACA
#106ACA
oklch(53.1% 0.168 255.2)
- #916100
#916100
oklch(53.1% 0.112 75.2)
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 #106ACA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.037
- Royal Blue #4169E1 ΔE 0.049
- Windows Blue #3778BF ΔE 0.052
- Cerulean Blue #056EEE ΔE 0.055
- French Blue #436BAD ΔE 0.056
- Azul #1D5DEC ΔE 0.062
- Warm Blue #4B57DB ΔE 0.066
- Nice Blue #107AB0 ΔE 0.066
Use #106ACA 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.