#1B60DB
Closest named color: Azul (#1D5DEC). oklch(52.5% 0.2 261.1), rgb(27, 96, 219).
Aa
White text reads best on this color (5.61:1).
About this color
#1B60DB is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.200 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.027 away. White text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.74:1 |
| White text | 5.61:1 |
Values
| HEX | #1B60DB |
| RGB | rgb(27, 96, 219) |
| HSL | hsl(218, 78%, 48%) |
| OKLCH | oklch(52.5% 0.2 261.1) |
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 #1B60DB | 5.61:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #1B60DB | 3.74:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #1B60DB text on white | 5.61:1 | AA | Lc 77.3 | Fine for body text |
| #1B60DB text on black | 3.74:1 | AA large text | Lc -24.4 | 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
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C2FB
oklch(81% 0.089 260.6)
-
Step 400
400
#6C9FFA
oklch(70.7% 0.145 261.3)
-
Step 500
500
#4484F7
oklch(63.1% 0.184 261)
-
Step 600
600 (this color)
#1B60DB
oklch(52.5% 0.2 261.1)
-
Step 700
700
#1857C8
oklch(49% 0.187 261.2)
-
Step 800
800
#1748A2
oklch(42.7% 0.155 261.3)
-
Step 900
900
#193E80
oklch(37.8% 0.12 260.9)
-
Step 950
950
#10254B
oklch(27.1% 0.076 261.2)
#1B60DB 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) | #0070DF | 0.039 |
| Deuteranopia (no green cones) | #005FD9 | 0.010 |
| Tritanopia (no blue cones) | #007F94 | 0.153 |
| Achromatopsia (no color) | #686868 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B60DB
#1B60DB
oklch(52.5% 0.2 261.1)
- #8A6200
#8A6200
oklch(52.4% 0.108 80.6)
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 #1B60DB, closest first.
No curated palette has a color within ΔE 0.04 of #1B60DB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.027
- Royal Blue #4169E1 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.043
- Cerulean Blue #056EEE ΔE 0.043
- Neon Blue #4361EE ΔE 0.044
- Bright Blue #0165FC ΔE 0.051
- Electric Blue #0652FF ΔE 0.063
- Mid Blue #276AB3 ΔE 0.071
Use #1B60DB 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.