#041520
Closest named color: Rich Navy (#001219). oklch(18.7% 0.033 238.2), rgb(4, 21, 32).
Aa
White text reads best on this color (18.53:1).
About this color
#041520 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.033 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.020 away. White text reads best on it, at 18.53:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.13:1 |
| White text | 18.53:1 |
Values
| HEX | #041520 |
| RGB | rgb(4, 21, 32) |
| HSL | hsl(204, 78%, 7%) |
| OKLCH | oklch(18.7% 0.033 238.2) |
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 #041520 | 18.53:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #041520 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #041520 text on white | 18.53:1 | AAA | Lc 105.0 | Preferred for body text |
| #041520 text on black | 1.13:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDCE6
oklch(88.6% 0.021 236.8)
-
Step 300
300
#AAC5D7
oklch(80.9% 0.039 237.2)
-
Step 400
400
#7CA7C3
oklch(70.7% 0.062 237.3)
-
Step 500
500
#5991B4
oklch(63.2% 0.079 237.3)
-
Step 600
600
#3D7AA0
oklch(55.5% 0.087 238.4)
-
Step 700
700
#2F6789
oklch(49.1% 0.08 238.1)
-
Step 800
800
#28546F
oklch(42.7% 0.066 238)
-
Step 900
900
#25465A
oklch(37.8% 0.052 236.9)
-
Step 950
950 (this color)
#041520
oklch(18.7% 0.033 238.2)
#041520 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) | #101521 | 0.019 |
| Deuteranopia (no green cones) | #0C1220 | 0.016 |
| Tritanopia (no blue cones) | #001819 | 0.022 |
| Achromatopsia (no color) | #131313 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041520
#041520
oklch(18.7% 0.033 238.2)
- #1E0F04
#1E0F04
oklch(18.7% 0.033 58.6)
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 #041520, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.020
- Rich Black #0D1B2A ΔE 0.032
- Almost Black #070D0D ΔE 0.043
- Dark #1B2431 ΔE 0.072
- Dark Navy #000435 ΔE 0.073
- Dark Navy Blue #00022E ΔE 0.076
- Midnight #03012D ΔE 0.077
- Navy Blue #001146 ΔE 0.077
Use #041520 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.