#30446F
Closest named color: Twilight Blue (#0A437A). oklch(39.1% 0.078 264.2), rgb(48, 68, 111).
Aa
White text reads best on this color (9.62:1).
About this color
#30446F is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.078 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.037 away. White text reads best on it, at 9.62:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #30446F |
| RGB | rgb(48, 68, 111) |
| HSL | hsl(221, 40%, 31%) |
| OKLCH | oklch(39.1% 0.078 264.2) |
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 #30446F | 9.62:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #30446F | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #30446F text on white | 9.62:1 | AAA | Lc 92.2 | Preferred for body text |
| #30446F text on black | 2.18:1 | Fails | Lc -10.2 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9EF
oklch(88.4% 0.033 264.4)
-
Step 300
300
#AEC1E7
oklch(80.9% 0.058 264.2)
-
Step 400
400
#83A0DB
oklch(70.7% 0.093 264)
-
Step 500
500
#6587D1
oklch(63% 0.119 264.5)
-
Step 600
600
#4C70BF
oklch(55.7% 0.13 264.2)
-
Step 700
700
#3D5DA4
oklch(49% 0.12 264.2)
-
Step 800
800
#334C85
oklch(42.6% 0.1 264.7)
-
Step 900
900 (this color)
#30446F
oklch(39.1% 0.078 264.2)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#30446F 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) | #334871 | 0.013 |
| Deuteranopia (no green cones) | #2B426E | 0.009 |
| Tritanopia (no blue cones) | #0E4D54 | 0.069 |
| Achromatopsia (no color) | #454545 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30446F
#30446F
oklch(39.1% 0.078 264.2)
- #594105
#594105
oklch(39.1% 0.078 83.7)
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 #30446F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.039
- Light Navy #155084 ΔE 0.047
- Charcoal #264653 ΔE 0.053
- Cobalt #1E488F ΔE 0.055
- Deep Sea Blue #015482 ΔE 0.055
- Dusk Blue #26538D ΔE 0.060
- Marine Blue #01386A ΔE 0.060
Use #30446F 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.