#1E4E72
Closest named color: Deep Sea Blue (#015482). oklch(40.9% 0.08 244.3), rgb(30, 78, 114).
Aa
White text reads best on this color (8.79:1).
About this color
#1E4E72 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.080 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.030 away. White text reads best on it, at 8.79:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #1E4E72 |
| RGB | rgb(30, 78, 114) |
| HSL | hsl(206, 58%, 28%) |
| OKLCH | oklch(40.9% 0.08 244.3) |
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 #1E4E72 | 8.79:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #1E4E72 | 2.38:1 | Fails | Lc 14.1 | Not readable |
| #1E4E72 text on white | 8.79:1 | AAA | Lc 89.8 | Fine for body text |
| #1E4E72 text on black | 2.38:1 | Fails | Lc -12.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CBDBE9
oklch(88.4% 0.026 244.5)
-
Step 300
300
#A8C5DD
oklch(81% 0.046 243.3)
-
Step 400
400
#79A6CC
oklch(70.7% 0.074 244.6)
-
Step 500
500
#548FBF
oklch(63% 0.095 244.7)
-
Step 600
600
#3779AB
oklch(55.6% 0.103 244.1)
-
Step 700
700
#296693
oklch(49.2% 0.095 244)
-
Step 800
800 (this color)
#1E4E72
oklch(40.9% 0.08 244.3)
-
Step 900
900
#224560
oklch(37.7% 0.062 243.8)
-
Step 950
950
#152838
oklch(26.9% 0.039 245.4)
#1E4E72 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) | #3E4F74 | 0.036 |
| Deuteranopia (no green cones) | #324771 | 0.027 |
| Tritanopia (no blue cones) | #00575B | 0.057 |
| Achromatopsia (no color) | #4A4A4A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4E72
#1E4E72
oklch(40.9% 0.08 244.3)
- #684014
#684014
oklch(41% 0.08 64.2)
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 #1E4E72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.030
- Light Navy #155084 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.041
- Twilight Blue #0A437A ΔE 0.043
- Dusk Blue #26538D ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.052
- Charcoal #264653 ΔE 0.053
- Deep Teal #00555A ΔE 0.055
Use #1E4E72 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.