#041025
Closest named color: Rich Navy (#001219). oklch(17.5% 0.048 258.9), rgb(4, 16, 37).
Aa
White text reads best on this color (18.98:1).
About this color
#041025 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.048 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.030 away. White text reads best on it, at 18.98:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 18.98:1 |
Values
| HEX | #041025 |
| RGB | rgb(4, 16, 37) |
| HSL | hsl(218, 80%, 8%) |
| OKLCH | oklch(17.5% 0.048 258.9) |
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 #041025 | 18.98:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #041025 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #041025 text on white | 18.98:1 | AAA | Lc 105.3 | Preferred for body text |
| #041025 text on black | 1.10:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E6
oklch(80.9% 0.057 259.3)
-
Step 400
400
#7EA2D9
oklch(70.7% 0.09 258.7)
-
Step 500
500
#5E8ACF
oklch(63.2% 0.115 259.1)
-
Step 600
600
#4473BC
oklch(55.7% 0.125 258.9)
-
Step 700
700
#3560A2
oklch(49.2% 0.117 258.7)
-
Step 800
800
#2D4E83
oklch(42.6% 0.097 259.5)
-
Step 900
900
#284269
oklch(37.8% 0.074 258.3)
-
Step 950
950 (this color)
#041025
oklch(17.5% 0.048 258.9)
#041025 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) | #061226 | 0.009 |
| Deuteranopia (no green cones) | #020F25 | 0.006 |
| Tritanopia (no blue cones) | #001518 | 0.038 |
| Achromatopsia (no color) | #101010 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041025
#041025
oklch(17.5% 0.048 258.9)
- #190E00
#190E00
oklch(17.5% 0.036 78)
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 #041025, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.030
- Rich Black #0D1B2A ΔE 0.044
- Almost Black #070D0D ΔE 0.050
- Dark Navy #000435 ΔE 0.051
- Dark Navy Blue #00022E ΔE 0.054
- Midnight #03012D ΔE 0.054
- Very Dark Blue #000133 ΔE 0.058
- Navy Blue #001146 ΔE 0.065
Use #041025 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.