#1E4AAF
Closest named color: Blue Blue (#2242C7). oklch(44.4% 0.169 263.3), rgb(30, 74, 175).
Aa
White text reads best on this color (7.91:1).
About this color
#1E4AAF is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.169 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 7.91:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #1E4AAF |
| RGB | rgb(30, 74, 175) |
| HSL | hsl(222, 71%, 40%) |
| OKLCH | oklch(44.4% 0.169 263.3) |
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 #1E4AAF | 7.91:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #1E4AAF | 2.65:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #1E4AAF text on white | 7.91:1 | AAA | Lc 86.8 | Fine for body text |
| #1E4AAF text on black | 2.65:1 | Fails | Lc -15.3 | 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 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
#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
#4781FF
oklch(63.2% 0.197 263.3)
-
Step 600
600
#2965F1
oklch(55.6% 0.22 263.4)
-
Step 700
700
#1D53D2
oklch(49.2% 0.204 263.3)
-
Step 800
800 (this color)
#1E4AAF
oklch(44.4% 0.169 263.3)
-
Step 900
900
#1A3B86
oklch(37.6% 0.132 263.5)
-
Step 950
950
#10244E
oklch(27.1% 0.082 263)
#1E4AAF 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) | #0058B2 | 0.035 |
| Deuteranopia (no green cones) | #004BAD | 0.014 |
| Tritanopia (no blue cones) | #006375 | 0.129 |
| Achromatopsia (no color) | #515151 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4AAF
#1E4AAF
oklch(44.4% 0.169 263.3)
- #6C4E00
#6C4E00
oklch(44.4% 0.091 83)
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 #1E4AAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.042
- Sapphire #2138AB ΔE 0.042
- Cobalt #1E488F ΔE 0.052
- Blueberry #464196 ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.063
- Dusk Blue #26538D ΔE 0.063
- Light Navy #155084 ΔE 0.075
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
Use #1E4AAF 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.