#1E48AF
Closest named color: Sapphire (#2138AB). oklch(44% 0.171 263.9), rgb(30, 72, 175).
Aa
White text reads best on this color (8.07:1).
About this color
#1E48AF is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.171 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.038 away. White text reads best on it, at 8.07:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #1E48AF |
| RGB | rgb(30, 72, 175) |
| HSL | hsl(223, 71%, 40%) |
| OKLCH | oklch(44% 0.171 263.9) |
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 #1E48AF | 8.07:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #1E48AF | 2.60:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #1E48AF text on white | 8.07:1 | AAA | Lc 87.3 | Fine for body text |
| #1E48AF text on black | 2.60:1 | Fails | Lc -14.8 | Not readable |
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 800.
-
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
#C7DAFF
oklch(88.6% 0.055 263.7)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6F9DFF
oklch(70.7% 0.152 263.9)
-
Step 500
500
#4980FF
oklch(63% 0.198 264)
-
Step 600
600
#2B64F3
oklch(55.6% 0.223 263.9)
-
Step 700
700
#1F52D3
oklch(49.2% 0.206 263.9)
-
Step 800
800 (this color)
#1E48AF
oklch(44% 0.171 263.9)
-
Step 900
900
#1B3B87
oklch(37.7% 0.133 263.9)
-
Step 950
950
#10234F
oklch(26.9% 0.085 264)
#1E48AF 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) | #0057B2 | 0.038 |
| Deuteranopia (no green cones) | #0049AD | 0.014 |
| Tritanopia (no blue cones) | #006274 | 0.132 |
| Achromatopsia (no color) | #505050 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E48AF
#1E48AF
oklch(44% 0.171 263.9)
- #6A4D00
#6A4D00
oklch(44% 0.09 83.6)
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 #1E48AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.038
- Blue Blue #2242C7 ΔE 0.040
- Cobalt #1E488F ΔE 0.052
- Blueberry #464196 ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.061
- Dusk Blue #26538D ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
- Light Navy #155084 ΔE 0.076
Use #1E48AF 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.