#1753BD
Closest named color: Blue Blue (#2242C7). oklch(47.3% 0.178 261), rgb(23, 83, 189).
Aa
White text reads best on this color (6.98:1).
About this color
#1753BD is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.178 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.041 away. White text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #1753BD |
| RGB | rgb(23, 83, 189) |
| HSL | hsl(218, 78%, 42%) |
| OKLCH | oklch(47.3% 0.178 261) |
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 #1753BD | 6.98:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #1753BD | 3.00:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #1753BD text on white | 6.98:1 | AA | Lc 83.5 | Fine for body text |
| #1753BD text on black | 3.00:1 | AA large text | Lc -18.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A1C2F9
oklch(81% 0.086 260.5)
-
Step 400
400
#6EA0F6
oklch(70.8% 0.138 260.7)
-
Step 500
500
#4885F2
oklch(63.1% 0.176 261)
-
Step 600
600
#2A6BE1
oklch(55.5% 0.192 261.2)
-
Step 700
700 (this color)
#1753BD
oklch(47.3% 0.178 261)
-
Step 800
800
#1A499E
oklch(42.7% 0.148 261.1)
-
Step 900
900
#1B3E7D
oklch(37.6% 0.115 261)
-
Step 950
950
#112549
oklch(27% 0.072 261.1)
#1753BD 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) | #0061C1 | 0.035 |
| Deuteranopia (no green cones) | #0052BB | 0.010 |
| Tritanopia (no blue cones) | #006E80 | 0.136 |
| Achromatopsia (no color) | #595959 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1753BD
#1753BD
oklch(47.3% 0.178 261)
- #775500
#775500
oklch(47.3% 0.098 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 #1753BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.041
- Majorelle Blue #3F37C9 ΔE 0.066
- Mid Blue #276AB3 ΔE 0.068
- Sapphire #2138AB ΔE 0.069
- Warm Blue #4B57DB ΔE 0.071
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
- Azul #1D5DEC ΔE 0.077
- Dusk Blue #26538D ΔE 0.078
Use #1753BD 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.