#034365
Closest named color: Dark Grey Blue (#29465B). oklch(36.5% 0.082 240.1), rgb(3, 67, 101).
Aa
White text reads best on this color (10.52:1).
About this color
#034365 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.082 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.035 away. White text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #034365 |
| RGB | rgb(3, 67, 101) |
| HSL | hsl(201, 94%, 20%) |
| OKLCH | oklch(36.5% 0.082 240.1) |
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 #034365 | 10.52:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #034365 | 1.99:1 | Fails | Lc 10.0 | Not readable |
| #034365 text on white | 10.52:1 | AAA | Lc 94.0 | Preferred for body text |
| #034365 text on black | 1.99:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DDEE
oklch(88.6% 0.034 239.9)
-
Step 300
300
#9DC7E5
oklch(81% 0.062 239.6)
-
Step 400
400
#64A9D8
oklch(70.8% 0.098 239.9)
-
Step 500
500
#3092CD
oklch(63.1% 0.125 240)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00547F
oklch(42.6% 0.099 240.7)
-
Step 900
900 (this color)
#034365
oklch(36.5% 0.082 240.1)
-
Step 950
950
#09293D
oklch(26.9% 0.052 240.5)
#034365 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) | #334466 | 0.042 |
| Deuteranopia (no green cones) | #263B64 | 0.033 |
| Tritanopia (no blue cones) | #004C4F | 0.055 |
| Achromatopsia (no color) | #3F3F3F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034365
#034365
oklch(36.5% 0.082 240.1)
- #5D3205
#5D3205
oklch(36.5% 0.082 59.7)
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 #034365, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.035
- Twilight Blue #0A437A ΔE 0.037
- Marine Blue #01386A ΔE 0.038
- Charcoal #264653 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.046
- Midnight Green #073B4C ΔE 0.046
- Dark Teal #014D4E ΔE 0.059
Use #034365 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.