#1763D4
Closest named color: Azul (#1D5DEC). oklch(52.4% 0.188 259.4), rgb(23, 99, 212).
Aa
White text reads best on this color (5.56:1).
About this color
#1763D4 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.188 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.040 away. White text reads best on it, at 5.56:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #1763D4 |
| RGB | rgb(23, 99, 212) |
| HSL | hsl(216, 80%, 46%) |
| OKLCH | oklch(52.4% 0.188 259.4) |
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 #1763D4 | 5.56:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #1763D4 | 3.77:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #1763D4 text on white | 5.56:1 | AA | Lc 77.1 | Fine for body text |
| #1763D4 text on black | 3.77:1 | AA large text | Lc -24.6 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAF9
oklch(88.4% 0.048 260.2)
-
Step 300
300
#A0C2F8
oklch(80.9% 0.085 259.5)
-
Step 400
400
#6CA1F4
oklch(70.8% 0.135 259.1)
-
Step 500
500
#4486F0
oklch(63.1% 0.173 259.5)
-
Step 600
600 (this color)
#1763D4
oklch(52.4% 0.188 259.4)
-
Step 700
700
#155AC1
oklch(49% 0.175 259.3)
-
Step 800
800
#154A9C
oklch(42.6% 0.145 259.5)
-
Step 900
900
#183F7C
oklch(37.6% 0.113 259.2)
-
Step 950
950
#0F2549
oklch(26.9% 0.073 259.8)
#1763D4 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) | #0071D8 | 0.035 |
| Deuteranopia (no green cones) | #0060D2 | 0.012 |
| Tritanopia (no blue cones) | #007F92 | 0.143 |
| Achromatopsia (no color) | #686868 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1763D4
#1763D4
oklch(52.4% 0.188 259.4)
- #8B6100
#8B6100
oklch(52.3% 0.109 79.1)
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 #1763D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.040
- Royal Blue #4169E1 ΔE 0.042
- Cerulean Blue #056EEE ΔE 0.047
- Warm Blue #4B57DB ΔE 0.049
- Neon Blue #4361EE ΔE 0.053
- Mid Blue #276AB3 ΔE 0.058
- Bright Blue #0165FC ΔE 0.061
- Windows Blue #3778BF ΔE 0.074
Use #1763D4 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.