#1266DC
Closest named color: Azul (#1D5DEC). oklch(53.6% 0.196 259), rgb(18, 102, 220).
Aa
White text reads best on this color (5.30:1).
About this color
#1266DC is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.196 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.033 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #1266DC |
| RGB | rgb(18, 102, 220) |
| HSL | hsl(215, 85%, 47%) |
| OKLCH | oklch(53.6% 0.196 259) |
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 #1266DC | 5.30:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #1266DC | 3.95:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #1266DC text on white | 5.30:1 | AA | Lc 75.6 | Fine for body text |
| #1266DC text on black | 3.95:1 | AA large text | Lc -26.1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9EC2FA
oklch(80.8% 0.089 259.1)
-
Step 400
400
#69A1F7
oklch(70.8% 0.14 258.7)
-
Step 500
500
#3F86F4
oklch(63.1% 0.18 259)
-
Step 600
600 (this color)
#1266DC
oklch(53.6% 0.196 259)
-
Step 700
700
#0B5AC5
oklch(49.2% 0.181 258.9)
-
Step 800
800
#0F4A9F
oklch(42.7% 0.15 258.9)
-
Step 900
900
#153F7E
oklch(37.7% 0.117 258.8)
-
Step 950
950
#0E254A
oklch(26.9% 0.075 259.5)
#1266DC 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) | #0074E0 | 0.035 |
| Deuteranopia (no green cones) | #0063DA | 0.010 |
| Tritanopia (no blue cones) | #008397 | 0.147 |
| Achromatopsia (no color) | #6B6B6B | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1266DC
#1266DC
oklch(53.6% 0.196 259)
- #906400
#906400
oklch(53.6% 0.111 78.5)
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 #1266DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.033
- Cerulean Blue #056EEE ΔE 0.033
- Royal Blue #4169E1 ΔE 0.035
- Neon Blue #4361EE ΔE 0.045
- Bright Blue #0165FC ΔE 0.049
- Warm Blue #4B57DB ΔE 0.051
- Mid Blue #276AB3 ΔE 0.066
- Electric Blue #0652FF ΔE 0.069
Use #1266DC 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.