#1E3256
Closest named color: Prussian Blue (#1D3557). oklch(32% 0.07 261.3), rgb(30, 50, 86).
Aa
White text reads best on this color (12.75:1).
About this color
#1E3256 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.070 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.009 away. White text reads best on it, at 12.75:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.75:1 |
Values
| HEX | #1E3256 |
| RGB | rgb(30, 50, 86) |
| HSL | hsl(219, 48%, 23%) |
| OKLCH | oklch(32% 0.07 261.3) |
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 #1E3256 | 12.75:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #1E3256 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #1E3256 text on white | 12.75:1 | AAA | Lc 98.7 | Preferred for body text |
| #1E3256 text on black | 1.64:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A3C2F7
oklch(81% 0.083 261)
-
Step 400
400
#71A0F2
oklch(70.7% 0.131 261)
-
Step 500
500
#4C85EE
oklch(63% 0.169 261.4)
-
Step 600
600
#2F6CDC
oklch(55.5% 0.183 261.3)
-
Step 700
700
#225ABF
oklch(49.2% 0.169 261.1)
-
Step 800
800
#1E4A9B
oklch(42.8% 0.141 261.3)
-
Step 900
900
#1E3F7B
oklch(37.8% 0.109 261.2)
-
Step 950
950 (this color)
#1E3256
oklch(32% 0.07 261.3)
#1E3256 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) | #233557 | 0.012 |
| Deuteranopia (no green cones) | #1B3055 | 0.008 |
| Tritanopia (no blue cones) | #003A3F | 0.061 |
| Achromatopsia (no color) | #323232 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E3256
#1E3256
oklch(32% 0.07 261.3)
- #442F00
#442F00
oklch(32.1% 0.066 81.6)
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 #1E3256, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.009
- Marine #042E60 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.039
- Marine Blue #01386A ΔE 0.040
- Gunmetal #293241 ΔE 0.040
- Midnight Green #073B4C ΔE 0.042
- Oxford Blue #1B263B ΔE 0.058
Use #1E3256 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.