#1E75B8
Closest named color: Nice Blue (#107AB0). oklch(54.7% 0.131 247.2), rgb(30, 117, 184).
Aa
White text reads best on this color (4.89:1).
About this color
#1E75B8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.131 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.021 away. White text reads best on it, at 4.89:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.29:1 |
| White text | 4.89:1 |
Values
| HEX | #1E75B8 |
| RGB | rgb(30, 117, 184) |
| HSL | hsl(206, 72%, 42%) |
| OKLCH | oklch(54.7% 0.131 247.2) |
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 #1E75B8 | 4.89:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #1E75B8 | 4.29:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #1E75B8 text on white | 4.89:1 | AA | Lc 73.5 | Content text, not long reading |
| #1E75B8 text on black | 4.29:1 | AA large text | Lc -28.2 | 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 600.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A3C5E5
oklch(80.9% 0.058 247)
-
Step 400
400
#6FA6D8
oklch(70.7% 0.094 247)
-
Step 500
500
#468FCE
oklch(63.1% 0.12 247.2)
-
Step 600
600 (this color)
#1E75B8
oklch(54.7% 0.131 247.2)
-
Step 700
700
#1264A1
oklch(49% 0.122 247.4)
-
Step 800
800
#145283
oklch(42.7% 0.101 247.5)
-
Step 900
900
#194469
oklch(37.6% 0.079 247.8)
-
Step 950
950
#10283D
oklch(26.9% 0.05 247.3)
#1E75B8 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) | #5578BB | 0.048 |
| Deuteranopia (no green cones) | #3E6BB7 | 0.032 |
| Tritanopia (no blue cones) | #00858E | 0.092 |
| Achromatopsia (no color) | #717171 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E75B8
#1E75B8
oklch(54.7% 0.131 247.2)
- #9E6000
#9E6000
oklch(54.6% 0.121 67.1)
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 #1E75B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.021
- Windows Blue #3778BF ΔE 0.022
- Flat Blue #3C73A8 ΔE 0.030
- Mid Blue #276AB3 ΔE 0.030
- French Blue #436BAD ΔE 0.036
- Muted Blue #3B719F ΔE 0.041
- Ocean Blue #03719C ΔE 0.046
- Steel Blue #4682B4 ΔE 0.052
Use #1E75B8 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.