#041F51
Closest named color: Navy Blue (#001146). oklch(25.6% 0.098 261), rgb(4, 31, 81).
Aa
White text reads best on this color (15.90:1).
About this color
#041F51 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.098 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.046 away. White text reads best on it, at 15.90:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.31:1 |
| White text | 15.90:1 |
Values
| HEX | #041F51 |
| RGB | rgb(4, 31, 81) |
| HSL | hsl(219, 91%, 17%) |
| OKLCH | oklch(25.6% 0.098 261) |
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 #041F51 | 15.90:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #041F51 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #041F51 text on white | 15.90:1 | AAA | Lc 102.5 | Preferred for body text |
| #041F51 text on black | 1.31:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC2FF
oklch(81% 0.095 260.8)
-
Step 400
400
#689FFF
oklch(70.7% 0.153 260.8)
-
Step 500
500
#3D83FF
oklch(63.2% 0.198 260.8)
-
Step 600
600
#0064FC
oklch(55.7% 0.239 260.9)
-
Step 700
700
#0053D6
oklch(49.1% 0.213 261)
-
Step 800
800
#0044B1
oklch(42.8% 0.184 260.9)
-
Step 900
900
#053991
oklch(37.6% 0.154 261)
-
Step 950
950 (this color)
#041F51
oklch(25.6% 0.098 261)
#041F51 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) | #002653 | 0.021 |
| Deuteranopia (no green cones) | #001F50 | 0.005 |
| Tritanopia (no blue cones) | #002C34 | 0.076 |
| Achromatopsia (no color) | #222222 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041F51
#041F51
oklch(25.6% 0.098 261)
- #302000
#302000
oklch(25.7% 0.053 81.3)
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 #041F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.046
- Marine #042E60 ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.057
- Darkblue #030764 ΔE 0.057
- Midnight Blue #191970 ΔE 0.061
- Dark Royal Blue #02066F ΔE 0.068
- Dark #1B2431 ΔE 0.070
Use #041F51 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.