#305084
Closest named color: Dusk Blue (#26538D). oklch(43.3% 0.094 259.7), rgb(48, 80, 132).
Aa
White text reads best on this color (8.05:1).
About this color
#305084 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.094 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.017 away. White text reads best on it, at 8.05:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #305084 |
| RGB | rgb(48, 80, 132) |
| HSL | hsl(217, 47%, 35%) |
| OKLCH | oklch(43.3% 0.094 259.7) |
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 #305084 | 8.05:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #305084 | 2.60:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #305084 text on white | 8.05:1 | AAA | Lc 87.7 | Fine for body text |
| #305084 text on black | 2.60:1 | Fails | Lc -14.4 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ACC2E5
oklch(80.9% 0.055 259.6)
-
Step 400
400
#80A2D8
oklch(70.8% 0.088 259.5)
-
Step 500
500
#608ACD
oklch(63.2% 0.112 259.4)
-
Step 600
600
#4672BA
oklch(55.5% 0.123 259.8)
-
Step 700
700
#3860A1
oklch(49.2% 0.114 259.7)
-
Step 800
800 (this color)
#305084
oklch(43.3% 0.094 259.7)
-
Step 900
900
#294168
oklch(37.6% 0.074 259.7)
-
Step 950
950
#19273D
oklch(27.2% 0.046 259.2)
#305084 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) | #3A5486 | 0.018 |
| Deuteranopia (no green cones) | #2E4C83 | 0.012 |
| Tritanopia (no blue cones) | #005C63 | 0.081 |
| Achromatopsia (no color) | #505050 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #305084
#305084
oklch(43.3% 0.094 259.7)
- #6A4A00
#6A4A00
oklch(43.3% 0.09 80.2)
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 #305084, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.017
- Light Navy #155084 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.031
- Cobalt #1E488F ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.040
- Twilight #4E518B ΔE 0.042
- Dusk #4E5481 ΔE 0.043
Use #305084 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.