#2F49A2
Closest named color: Cobalt (#1E488F). oklch(43.8% 0.147 267.6), rgb(47, 73, 162).
Aa
White text reads best on this color (8.09:1).
About this color
#2F49A2 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.147 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.036 away. White text reads best on it, at 8.09:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.59:1 |
| White text | 8.09:1 |
Values
| HEX | #2F49A2 |
| RGB | rgb(47, 73, 162) |
| HSL | hsl(226, 55%, 41%) |
| OKLCH | oklch(43.8% 0.147 267.6) |
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 #2F49A2 | 8.09:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #2F49A2 | 2.59:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #2F49A2 text on white | 8.09:1 | AAA | Lc 87.6 | Fine for body text |
| #2F49A2 text on black | 2.59:1 | Fails | Lc -14.5 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A8BFF9
oklch(80.8% 0.086 267.7)
-
Step 400
400
#7B9CF6
oklch(70.7% 0.137 267.6)
-
Step 500
500
#5B80F3
oklch(63.1% 0.177 267.7)
-
Step 600
600
#4366E1
oklch(55.5% 0.191 267.7)
-
Step 700
700
#3554C4
oklch(49.1% 0.178 267.5)
-
Step 800
800 (this color)
#2F49A2
oklch(43.8% 0.147 267.6)
-
Step 900
900
#273C7E
oklch(37.8% 0.115 267.4)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#2F49A2 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) | #0155A5 | 0.037 |
| Deuteranopia (no green cones) | #004BA0 | 0.030 |
| Tritanopia (no blue cones) | #005E6E | 0.118 |
| Achromatopsia (no color) | #505050 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F49A2
#2F49A2
oklch(43.8% 0.147 267.6)
- #674E00
#674E00
oklch(43.8% 0.09 87.3)
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 #2F49A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.036
- Blueberry #464196 ΔE 0.038
- Dusk Blue #26538D ΔE 0.047
- Sapphire #2138AB ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.054
- Light Navy #155084 ΔE 0.060
- Blue Blue #2242C7 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.063
Use #2F49A2 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.