#041B43
Closest named color: Navy Blue (#001146). oklch(23.3% 0.081 260), rgb(4, 27, 67).
Aa
White text reads best on this color (16.89:1).
About this color
#041B43 is a very dark, moderately saturated blue. In OKLCH its lightness is 23%, its chroma 0.081 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.031 away. White text reads best on it, at 16.89:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.24:1 |
| White text | 16.89:1 |
Values
| HEX | #041B43 |
| RGB | rgb(4, 27, 67) |
| HSL | hsl(218, 89%, 14%) |
| OKLCH | oklch(23.3% 0.081 260) |
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 #041B43 | 16.89:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #041B43 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #041B43 text on white | 16.89:1 | AAA | Lc 103.5 | Preferred for body text |
| #041B43 text on black | 1.24:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DAFD
oklch(88.4% 0.054 260.6)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#669FFF
oklch(70.7% 0.154 260.3)
-
Step 500
500
#3983FE
oklch(63% 0.198 260.1)
-
Step 600
600
#1269ED
oklch(55.6% 0.214 260)
-
Step 700
700
#0256CF
oklch(49.1% 0.2 260.1)
-
Step 800
800
#0947A7
oklch(42.6% 0.166 260.2)
-
Step 900
900
#123D84
oklch(37.6% 0.129 260.1)
-
Step 950
950 (this color)
#041B43
oklch(23.3% 0.081 260)
#041B43 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) | #012044 | 0.015 |
| Deuteranopia (no green cones) | #001A42 | 0.007 |
| Tritanopia (no blue cones) | #00252B | 0.064 |
| Achromatopsia (no color) | #1D1D1D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041B43
#041B43
oklch(23.3% 0.081 260)
- #291B00
#291B00
oklch(23.4% 0.048 81.8)
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 #041B43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.031
- Rich Black #0D1B2A ΔE 0.049
- Oxford Blue #1B263B ΔE 0.053
- Night Blue #040348 ΔE 0.059
- Dark #1B2431 ΔE 0.059
- Dark Indigo #1F0954 ΔE 0.061
- Darkblue #030764 ΔE 0.070
- Dark Navy #000435 ΔE 0.075
Use #041B43 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.