#051D62
Closest named color: Midnight Blue (#191970). oklch(27% 0.125 264.1), rgb(5, 29, 98).
Aa
White text reads best on this color (15.45:1).
About this color
#051D62 is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.125 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.033 away. White text reads best on it, at 15.45:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.35:1 |
| White text | 15.45:1 |
Values
| HEX | #051D62 |
| RGB | rgb(5, 29, 98) |
| HSL | hsl(225, 90%, 20%) |
| OKLCH | oklch(27% 0.125 264.1) |
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 #051D62 | 15.45:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #051D62 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #051D62 text on white | 15.45:1 | AAA | Lc 101.8 | Preferred for body text |
| #051D62 text on black | 1.35:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7DAFF
oklch(88.6% 0.055 263.7)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6F9DFF
oklch(70.7% 0.152 263.9)
-
Step 500
500
#4A80FF
oklch(63.1% 0.198 264.2)
-
Step 600
600
#235FFF
oklch(55.6% 0.245 264.1)
-
Step 700
700
#0138FF
oklch(49.1% 0.287 264.1)
-
Step 800
800
#002BD6
oklch(42.7% 0.253 264.1)
-
Step 900
900
#052DA8
oklch(37.7% 0.198 264.1)
-
Step 950
950 (this color)
#051D62
oklch(27% 0.125 264.1)
#051D62 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) | #002964 | 0.032 |
| Deuteranopia (no green cones) | #002061 | 0.008 |
| Tritanopia (no blue cones) | #00303C | 0.096 |
| Achromatopsia (no color) | #242424 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051D62
#051D62
oklch(27% 0.125 264.1)
- #332400
#332400
oklch(27.1% 0.056 85)
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 #051D62, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.033
- Darkblue #030764 ΔE 0.042
- Dark Royal Blue #02066F ΔE 0.043
- Marine #042E60 ΔE 0.047
- Deep Blue #040273 ΔE 0.049
- Dark Indigo #1F0954 ΔE 0.057
- Navy #000080 ΔE 0.063
- Navy Blue #001146 ΔE 0.064
Use #051D62 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.