#323E67
Closest named color: Dark Grey Blue (#29465B). oklch(37.4% 0.072 270.3), rgb(50, 62, 103).
Aa
White text reads best on this color (10.39:1).
About this color
#323E67 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.072 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.038 away. White text reads best on it, at 10.39:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.02:1 |
| White text | 10.39:1 |
Values
| HEX | #323E67 |
| RGB | rgb(50, 62, 103) |
| HSL | hsl(226, 35%, 30%) |
| OKLCH | oklch(37.4% 0.072 270.3) |
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 #323E67 | 10.39:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #323E67 | 2.02:1 | Fails | Lc 9.9 | Not readable |
| #323E67 text on white | 10.39:1 | AAA | Lc 94.0 | Preferred for body text |
| #323E67 text on black | 2.02:1 | Fails | Lc -8.5 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF5
oklch(93.7% 0.015 270)
-
Step 200
200
#D1D9EE
oklch(88.6% 0.03 269.1)
-
Step 300
300
#B3C0E5
oklch(81% 0.054 269.9)
-
Step 400
400
#8C9ED7
oklch(70.7% 0.086 270.6)
-
Step 500
500
#7085CD
oklch(63.1% 0.111 270.6)
-
Step 600
600
#586EBA
oklch(55.6% 0.121 270)
-
Step 700
700
#495BA0
oklch(49% 0.113 270.8)
-
Step 800
800
#3C4B82
oklch(42.8% 0.093 270.6)
-
Step 900
900 (this color)
#323E67
oklch(37.4% 0.072 270.3)
-
Step 950
950
#1E253D
oklch(27% 0.046 270.7)
#323E67 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) | #2E4269 | 0.012 |
| Deuteranopia (no green cones) | #293E66 | 0.012 |
| Tritanopia (no blue cones) | #1D474D | 0.066 |
| Achromatopsia (no color) | #404040 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323E67
#323E67
oklch(37.4% 0.072 270.3)
- #4F3F07
#4F3F07
oklch(37.4% 0.072 91.3)
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 #323E67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.038
- Twilight Blue #0A437A ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.049
- Charcoal #264653 ΔE 0.051
- Marine Blue #01386A ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.054
- Light Navy #155084 ΔE 0.066
- Onyx #343A40 ΔE 0.067
Use #323E67 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.