#323E69
Closest named color: Dark Grey Blue (#29465B). oklch(37.5% 0.075 270.6), rgb(50, 62, 105).
Aa
White text reads best on this color (10.35:1).
About this color
#323E69 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.075 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 10.35:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.02:1 |
| White text | 10.35:1 |
Values
| HEX | #323E69 |
| RGB | rgb(50, 62, 105) |
| HSL | hsl(227, 35%, 30%) |
| OKLCH | oklch(37.5% 0.075 270.6) |
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 #323E69 | 10.35:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #323E69 | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #323E69 text on white | 10.35:1 | AAA | Lc 93.9 | Preferred for body text |
| #323E69 text on black | 2.02:1 | Fails | Lc -8.6 | 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 900.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B3BFE6
oklch(80.8% 0.057 271.7)
-
Step 400
400
#8B9EDA
oklch(70.7% 0.091 270.5)
-
Step 500
500
#6F85D0
oklch(63.2% 0.116 270.4)
-
Step 600
600
#586DBD
oklch(55.6% 0.127 270.7)
-
Step 700
700
#485BA3
oklch(49.2% 0.117 270.5)
-
Step 800
800
#3B4A84
oklch(42.6% 0.098 270.8)
-
Step 900
900 (this color)
#323E69
oklch(37.5% 0.075 270.6)
-
Step 950
950
#1E253E
oklch(27.1% 0.048 271.1)
#323E69 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) | #2D436B | 0.015 |
| Deuteranopia (no green cones) | #283E68 | 0.014 |
| Tritanopia (no blue cones) | #1B474E | 0.068 |
| Achromatopsia (no color) | #404040 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323E69
#323E69
oklch(37.5% 0.075 270.6)
- #503F02
#503F02
oklch(37.5% 0.075 91.1)
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 #323E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Twilight Blue #0A437A ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.051
- Marine Blue #01386A ΔE 0.052
- Charcoal #264653 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.057
- Light Navy #155084 ΔE 0.064
- Cobalt #1E488F ΔE 0.067
Use #323E69 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.