#1E53D2
Closest named color: Blue Blue (#2242C7). oklch(49.2% 0.204 263.5), rgb(30, 83, 210).
Aa
White text reads best on this color (6.51:1).
About this color
#1E53D2 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.204 and its hue 263°. 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 6.51:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.22:1 |
| White text | 6.51:1 |
Values
| HEX | #1E53D2 |
| RGB | rgb(30, 83, 210) |
| HSL | hsl(222, 75%, 47%) |
| OKLCH | oklch(49.2% 0.204 263.5) |
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 #1E53D2 | 6.51:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #1E53D2 | 3.22:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #1E53D2 text on white | 6.51:1 | AA | Lc 81.5 | Fine for body text |
| #1E53D2 text on black | 3.22:1 | AA large text | Lc -20.4 | 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 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
#C7DAFE
oklch(88.6% 0.054 263.2)
-
Step 300
300
#A1C1FF
oklch(81% 0.095 263.3)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500
#4881FF
oklch(63.2% 0.197 263.5)
-
Step 600
600
#2A65F1
oklch(55.6% 0.219 263.5)
-
Step 700
700 (this color)
#1E53D2
oklch(49.2% 0.204 263.5)
-
Step 800
800
#1A45A9
oklch(42.8% 0.168 263.4)
-
Step 900
900
#1A3B86
oklch(37.6% 0.132 263.5)
-
Step 950
950
#10234E
oklch(26.8% 0.083 263.8)
#1E53D2 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) | #0066D6 | 0.045 |
| Deuteranopia (no green cones) | #0056D0 | 0.012 |
| Tritanopia (no blue cones) | #00748A | 0.157 |
| Achromatopsia (no color) | #5E5E5E | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E53D2
#1E53D2
oklch(49.2% 0.204 263.5)
- #7C5B00
#7C5B00
oklch(49.2% 0.101 83.9)
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 #1E53D2, closest first.
No curated palette has a color within ΔE 0.04 of #1E53D2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.042
- Azul #1D5DEC ΔE 0.047
- Warm Blue #4B57DB ΔE 0.049
- Majorelle Blue #3F37C9 ΔE 0.062
- Neon Blue #4361EE ΔE 0.067
- Electric Blue #0652FF ΔE 0.069
- Royal Blue #4169E1 ΔE 0.070
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
Use #1E53D2 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.