#051025
Closest named color: Rich Navy (#001219). oklch(17.6% 0.047 260.7), rgb(5, 16, 37).
Aa
White text reads best on this color (18.96:1).
About this color
#051025 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.047 and its hue 261°. 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 18.96:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 18.96:1 |
Values
| HEX | #051025 |
| RGB | rgb(5, 16, 37) |
| HSL | hsl(219, 76%, 8%) |
| OKLCH | oklch(17.6% 0.047 260.7) |
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 #051025 | 18.96:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #051025 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #051025 text on white | 18.96:1 | AAA | Lc 105.3 | Preferred for body text |
| #051025 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#ADC2E5
oklch(81% 0.055 260.6)
-
Step 400
400
#81A1D8
oklch(70.6% 0.089 261)
-
Step 500
500
#6189CE
oklch(63.1% 0.114 260.8)
-
Step 600
600
#4872BB
oklch(55.6% 0.123 260.8)
-
Step 700
700
#395FA1
oklch(49.1% 0.115 260.7)
-
Step 800
800
#304E82
oklch(42.7% 0.094 260.7)
-
Step 900
900
#2A4169
oklch(37.7% 0.075 260.9)
-
Step 950
950 (this color)
#051025
oklch(17.6% 0.047 260.7)
#051025 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 | 0.008 |
| Deuteranopia (no green cones) | #030F25 | 0.006 |
| Tritanopia (no blue cones) | #001518 | 0.038 |
| Achromatopsia (no color) | #101010 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051025
#051025
oklch(17.6% 0.047 260.7)
- #190F00
#190F00
oklch(17.7% 0.037 81.6)
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 #051025, 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 0.043
- Almost Black #070D0D ΔE 0.050
- Dark Navy #000435 ΔE 0.052
- Dark Navy Blue #00022E ΔE 0.055
- Midnight #03012D ΔE 0.055
- Very Dark Blue #000133 ΔE 0.059
- Navy Blue #001146 ΔE 0.065
Use #051025 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.