#2F5168
Closest named color: Dark Grey Blue (#29465B). oklch(41.9% 0.055 239.5), rgb(47, 81, 104).
Aa
White text reads best on this color (8.40:1).
About this color
#2F5168 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.055 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.039 away. White text reads best on it, at 8.40:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #2F5168 |
| RGB | rgb(47, 81, 104) |
| HSL | hsl(204, 38%, 30%) |
| OKLCH | oklch(41.9% 0.055 239.5) |
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 #2F5168 | 8.40:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #2F5168 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #2F5168 text on white | 8.40:1 | AAA | Lc 88.9 | Fine for body text |
| #2F5168 text on black | 2.49:1 | Fails | Lc -13.3 | 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 800.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AEC4D4
oklch(80.9% 0.033 239.5)
-
Step 400
400
#84A6BE
oklch(70.8% 0.051 239.2)
-
Step 500
500
#648FAE
oklch(63.1% 0.066 240.5)
-
Step 600
600
#4A7999
oklch(55.6% 0.072 239.6)
-
Step 700
700
#3B6683
oklch(49.2% 0.067 239.6)
-
Step 800
800 (this color)
#2F5168
oklch(41.9% 0.055 239.5)
-
Step 900
900
#2C4556
oklch(37.8% 0.042 239.1)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#2F5168 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) | #475169 | 0.031 |
| Deuteranopia (no green cones) | #3F4B68 | 0.026 |
| Tritanopia (no blue cones) | #0F5759 | 0.044 |
| Achromatopsia (no color) | #4D4D4D | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5168
#2F5168
oklch(41.9% 0.055 239.5)
- #63452D
#63452D
oklch(41.8% 0.055 59.1)
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 #2F5168, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.042
- YInMn Blue #415A77 ΔE 0.043
- Deep Teal #00555A ΔE 0.044
- Charcoal #264653 ΔE 0.047
- Petrol #005F6A ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.048
- Light Navy #155084 ΔE 0.051
Use #2F5168 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.