#2F495E
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.048 243.8), rgb(47, 73, 94).
Aa
White text reads best on this color (9.39:1).
About this color
#2F495E is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.048 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.013 away. White text reads best on it, at 9.39:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #2F495E |
| RGB | rgb(47, 73, 94) |
| HSL | hsl(207, 33%, 28%) |
| OKLCH | oklch(39.4% 0.048 243.8) |
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 #2F495E | 9.39:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #2F495E | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #2F495E text on white | 9.39:1 | AAA | Lc 91.6 | Preferred for body text |
| #2F495E text on black | 2.23:1 | Fails | Lc -10.7 | 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 900.
-
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
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300
#AEC4D7
oklch(81% 0.036 244.3)
-
Step 400
400
#82A5C2
oklch(70.6% 0.057 243.7)
-
Step 500
500
#628FB3
oklch(63.2% 0.073 243.4)
-
Step 600
600
#48789F
oklch(55.5% 0.08 244.5)
-
Step 700
700
#396588
oklch(49.1% 0.075 244.2)
-
Step 800
800
#30536E
oklch(42.8% 0.061 243.1)
-
Step 900
900 (this color)
#2F495E
oklch(39.4% 0.048 243.8)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#2F495E 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) | #40495F | 0.023 |
| Deuteranopia (no green cones) | #3A445E | 0.020 |
| Tritanopia (no blue cones) | #1A4E50 | 0.040 |
| Achromatopsia (no color) | #464646 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F495E
#2F495E
oklch(39.4% 0.048 243.8)
- #58402A
#58402A
oklch(39.2% 0.048 63.2)
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 #2F495E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.013
- Charcoal #264653 ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.048
- Deep Teal #00555A ΔE 0.049
- Dark Teal #014D4E ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.055
- Onyx #343A40 ΔE 0.060
Use #2F495E 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.