#186ACA
Closest named color: Mid Blue (#276AB3). oklch(53.2% 0.167 256), rgb(24, 106, 202).
Aa
White text reads best on this color (5.31:1).
About this color
#186ACA is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.167 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.036 away. White text reads best on it, at 5.31:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #186ACA |
| RGB | rgb(24, 106, 202) |
| HSL | hsl(212, 79%, 44%) |
| OKLCH | oklch(53.2% 0.167 256) |
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 #186ACA | 5.31:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #186ACA | 3.95:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #186ACA text on white | 5.31:1 | AA | Lc 75.8 | Fine for body text |
| #186ACA text on black | 3.95:1 | AA large text | Lc -25.9 | 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
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A1C3F1
oklch(80.8% 0.075 256.1)
-
Step 400
400
#6DA3EA
oklch(70.7% 0.119 255.7)
-
Step 500
500
#448AE4
oklch(63.2% 0.153 255.8)
-
Step 600
600 (this color)
#186ACA
oklch(53.2% 0.167 256)
-
Step 700
700
#135EB6
oklch(49% 0.156 256.2)
-
Step 800
800
#144E93
oklch(42.8% 0.128 255.7)
-
Step 900
900
#184175
oklch(37.6% 0.1 256)
-
Step 950
950
#0F2745
oklch(27.1% 0.064 255.3)
#186ACA 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 | 0.032 |
| Deuteranopia (no green cones) | #0064C8 | 0.019 |
| Tritanopia (no blue cones) | #008190 | 0.125 |
| Achromatopsia (no color) | #6B6B6B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186ACA
#186ACA
oklch(53.2% 0.167 256)
- #916200
#916200
oklch(53.3% 0.112 76.1)
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 #186ACA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.036
- Royal Blue #4169E1 ΔE 0.047
- Windows Blue #3778BF ΔE 0.051
- French Blue #436BAD ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.055
- Azul #1D5DEC ΔE 0.063
- Warm Blue #4B57DB ΔE 0.064
- Nice Blue #107AB0 ΔE 0.066
Use #186ACA 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.