#2A495F
Closest named color: Dark Grey Blue (#29465B). oklch(39.1% 0.053 240.8), rgb(42, 73, 95).
Aa
White text reads best on this color (9.47:1).
About this color
#2A495F is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.053 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.011 away. White text reads best on it, at 9.47:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #2A495F |
| RGB | rgb(42, 73, 95) |
| HSL | hsl(205, 39%, 27%) |
| OKLCH | oklch(39.1% 0.053 240.8) |
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 #2A495F | 9.47:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #2A495F | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #2A495F text on white | 9.47:1 | AAA | Lc 91.8 | Preferred for body text |
| #2A495F text on black | 2.21:1 | Fails | Lc -10.6 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#ABC5D8
oklch(81% 0.039 239.7)
-
Step 400
400
#7DA6C5
oklch(70.7% 0.064 241.4)
-
Step 500
500
#5B90B6
oklch(63.1% 0.081 240.9)
-
Step 600
600
#3F7AA2
oklch(55.7% 0.088 240.5)
-
Step 700
700
#31668B
oklch(49.1% 0.082 241.6)
-
Step 800
800
#295370
oklch(42.5% 0.067 241)
-
Step 900
900 (this color)
#2A495F
oklch(39.1% 0.053 240.8)
-
Step 950
950
#172935
oklch(27.1% 0.033 238.8)
#2A495F 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) | #3F4960 | 0.028 |
| Deuteranopia (no green cones) | #38435F | 0.025 |
| Tritanopia (no blue cones) | #0B4E50 | 0.043 |
| Achromatopsia (no color) | #464646 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A495F
#2A495F
oklch(39.1% 0.053 240.8)
- #5A3F27
#5A3F27
oklch(39.2% 0.053 62)
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 #2A495F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.011
- Charcoal #264653 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Teal #014D4E ΔE 0.047
- Deep Teal #00555A ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.053
- Twilight Blue #0A437A ΔE 0.059
Use #2A495F 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.