#1756D4
Closest named color: Azul (#1D5DEC). oklch(49.8% 0.204 262.2), rgb(23, 86, 212).
Aa
White text reads best on this color (6.32:1).
About this color
#1756D4 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.204 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.041 away. White text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.31:1 |
| White text | 6.32:1 |
Values
| HEX | #1756D4 |
| RGB | rgb(23, 86, 212) |
| HSL | hsl(220, 80%, 46%) |
| OKLCH | oklch(49.8% 0.204 262.2) |
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 #1756D4 | 6.32:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #1756D4 | 3.31:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #1756D4 text on white | 6.32:1 | AA | Lc 80.7 | Fine for body text |
| #1756D4 text on black | 3.31:1 | AA large text | Lc -21.2 | 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 700.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C6DAFE
oklch(88.5% 0.054 262.2)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500
#4282FF
oklch(63.2% 0.198 262)
-
Step 600
600
#2166F1
oklch(55.6% 0.22 262.2)
-
Step 700
700 (this color)
#1756D4
oklch(49.8% 0.204 262.2)
-
Step 800
800
#1445A9
oklch(42.6% 0.169 262.3)
-
Step 900
900
#173C86
oklch(37.7% 0.131 262.2)
-
Step 950
950
#0E244E
oklch(27% 0.082 261.8)
#1756D4 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) | #0068D8 | 0.043 |
| Deuteranopia (no green cones) | #0057D2 | 0.008 |
| Tritanopia (no blue cones) | #00778D | 0.156 |
| Achromatopsia (no color) | #606060 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1756D4
#1756D4
oklch(49.8% 0.204 262.2)
- #7F5C00
#7F5C00
oklch(49.8% 0.102 82.7)
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 #1756D4, closest first.
No curated palette has a color within ΔE 0.04 of #1756D4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.041
- Blue Blue #2242C7 ΔE 0.049
- Warm Blue #4B57DB ΔE 0.049
- Neon Blue #4361EE ΔE 0.064
- Royal Blue #4169E1 ΔE 0.065
- Electric Blue #0652FF ΔE 0.066
- Cerulean Blue #056EEE ΔE 0.069
- Majorelle Blue #3F37C9 ΔE 0.069
Use #1756D4 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.