#1755C6
Closest named color: Blue Blue (#2242C7). oklch(48.4% 0.187 261.3), rgb(23, 85, 198).
Aa
White text reads best on this color (6.66:1).
About this color
#1755C6 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.187 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.042 away. White text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #1755C6 |
| RGB | rgb(23, 85, 198) |
| HSL | hsl(219, 79%, 43%) |
| OKLCH | oklch(48.4% 0.187 261.3) |
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 #1755C6 | 6.66:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #1755C6 | 3.15:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #1755C6 text on white | 6.66:1 | AA | Lc 82.2 | Fine for body text |
| #1755C6 text on black | 3.15:1 | AA large text | Lc -19.7 | 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
#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
#A0C1FC
oklch(80.8% 0.091 261.8)
-
Step 400
400
#6C9FFA
oklch(70.7% 0.145 261.3)
-
Step 500
500
#4584F7
oklch(63.1% 0.184 261.2)
-
Step 600
600
#266AE6
oklch(55.6% 0.2 261.2)
-
Step 700
700 (this color)
#1755C6
oklch(48.4% 0.187 261.3)
-
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)
#1755C6 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) | #0064CA | 0.037 |
| Deuteranopia (no green cones) | #0055C4 | 0.009 |
| Tritanopia (no blue cones) | #007285 | 0.144 |
| Achromatopsia (no color) | #5C5C5C | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1755C6
#1755C6
oklch(48.4% 0.187 261.3)
- #7B5800
#7B5800
oklch(48.5% 0.1 81.7)
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 #1755C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.042
- Warm Blue #4B57DB ΔE 0.060
- Azul #1D5DEC ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.067
- Mid Blue #276AB3 ΔE 0.068
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
- Royal Blue #4169E1 ΔE 0.077
- Sapphire #2138AB ΔE 0.080
Use #1755C6 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.